./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ --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 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:43:08,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:43:08,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 21:43:08,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:43:08,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:43:08,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:43:08,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:43:08,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:43:08,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:43:08,352 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:43:08,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:43:08,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:43:08,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:43:08,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:43:08,356 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:43:08,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:43:08,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:43:08,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:43:08,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:43:08,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:43:08,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:43:08,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:43:08,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:43:08,361 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:43:08,362 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:43:08,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:43:08,363 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:43:08,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:43:08,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:43:08,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:43:08,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:43:08,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:43:08,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:43:08,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:43:08,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:43:08,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:43:08,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:43:08,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:43:08,368 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:43:08,368 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:43:08,368 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:43:08,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:43:08,369 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_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe [2023-11-23 21:43:08,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:43:08,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:43:08,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:43:08,788 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:43:08,789 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:43:08,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i [2023-11-23 21:43:12,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:43:12,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:43:12,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i [2023-11-23 21:43:12,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/data/e5f516afe/24fc84ad3ba74bccaa2a7ad722a5adc8/FLAG9e5c38503 [2023-11-23 21:43:12,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/data/e5f516afe/24fc84ad3ba74bccaa2a7ad722a5adc8 [2023-11-23 21:43:12,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:43:12,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:43:12,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:43:12,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:43:12,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:43:12,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:12,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695969c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12, skipping insertion in model container [2023-11-23 21:43:12,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:12,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:43:12,666 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_45644353-5074-4743-8998-94d4f839bce8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2023-11-23 21:43:12,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:43:12,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:43:12,766 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_45644353-5074-4743-8998-94d4f839bce8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2023-11-23 21:43:12,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:43:12,841 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:43:12,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12 WrapperNode [2023-11-23 21:43:12,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:43:12,844 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:43:12,844 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:43:12,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:43:12,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:12,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:12,936 INFO L138 Inliner]: procedures = 29, calls = 130, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 361 [2023-11-23 21:43:12,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:43:12,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:43:12,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:43:12,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:43:12,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:12,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:12,963 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:12,985 INFO L189 HeapSplitter]: Split 101 memory accesses to 5 slices as follows [2, 37, 8, 40, 14] [2023-11-23 21:43:12,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:12,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:13,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:13,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:13,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:13,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:13,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:43:13,036 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:43:13,036 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:43:13,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:43:13,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (1/1) ... [2023-11-23 21:43:13,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:43:13,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:43:13,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:43:13,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:43:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:43:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-23 21:43:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-23 21:43:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-23 21:43:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-23 21:43:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-23 21:43:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 21:43:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 21:43:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 21:43:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 21:43:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 21:43:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-23 21:43:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-23 21:43:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-23 21:43:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-23 21:43:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-23 21:43:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 21:43:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 21:43:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 21:43:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 21:43:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 21:43:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-23 21:43:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-23 21:43:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-23 21:43:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-23 21:43:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-23 21:43:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:43:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:43:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:43:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 21:43:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 21:43:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 21:43:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 21:43:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:43:13,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:43:13,296 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:43:13,299 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:43:13,972 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:43:14,006 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:43:14,007 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:43:14,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:14 BoogieIcfgContainer [2023-11-23 21:43:14,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:43:14,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:43:14,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:43:14,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:43:14,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:43:12" (1/3) ... [2023-11-23 21:43:14,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aaace2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:43:14, skipping insertion in model container [2023-11-23 21:43:14,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:12" (2/3) ... [2023-11-23 21:43:14,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aaace2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:43:14, skipping insertion in model container [2023-11-23 21:43:14,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:14" (3/3) ... [2023-11-23 21:43:14,017 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-46.i [2023-11-23 21:43:14,038 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:43:14,039 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:43:14,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:43:14,099 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;@33023623, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:43:14,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:43:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 76 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:43:14,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-23 21:43:14,119 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:14,120 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1] [2023-11-23 21:43:14,121 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:43:14,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:14,126 INFO L85 PathProgramCache]: Analyzing trace with hash 887040064, now seen corresponding path program 1 times [2023-11-23 21:43:14,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:14,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679282081] [2023-11-23 21:43:14,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:14,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:14,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:14,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679282081] [2023-11-23 21:43:14,479 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 21:43:14,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880177537] [2023-11-23 21:43:14,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:14,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:14,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:43:14,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:43:14,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:43:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:14,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:43:14,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:43:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-11-23 21:43:14,862 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:43:14,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880177537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:14,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:14,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:43:14,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540031231] [2023-11-23 21:43:14,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:14,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:43:14,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:14,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:43:14,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:43:14,947 INFO L87 Difference]: Start difference. First operand has 92 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 76 states have internal predecessors, (110), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:43:15,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:15,032 INFO L93 Difference]: Finished difference Result 181 states and 288 transitions. [2023-11-23 21:43:15,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:43:15,035 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 111 [2023-11-23 21:43:15,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:15,046 INFO L225 Difference]: With dead ends: 181 [2023-11-23 21:43:15,046 INFO L226 Difference]: Without dead ends: 90 [2023-11-23 21:43:15,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:43:15,056 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:15,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:43:15,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-23 21:43:15,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-23 21:43:15,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 74 states have (on average 1.4189189189189189) internal successors, (105), 74 states have internal predecessors, (105), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:43:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 133 transitions. [2023-11-23 21:43:15,125 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 133 transitions. Word has length 111 [2023-11-23 21:43:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:15,126 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 133 transitions. [2023-11-23 21:43:15,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:43:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 133 transitions. [2023-11-23 21:43:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-23 21:43:15,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:15,132 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1] [2023-11-23 21:43:15,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:43:15,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:43:15,354 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:43:15,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:15,355 INFO L85 PathProgramCache]: Analyzing trace with hash 2116436924, now seen corresponding path program 1 times [2023-11-23 21:43:15,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:15,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37065004] [2023-11-23 21:43:15,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:15,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:15,542 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:43:15,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450625930] [2023-11-23 21:43:15,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:15,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:15,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:43:15,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:43:15,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:43:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:15,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 21:43:15,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:43:16,030 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 21 treesize of output 9 [2023-11-23 21:43:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:43:16,046 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:43:16,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:16,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37065004] [2023-11-23 21:43:16,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:43:16,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450625930] [2023-11-23 21:43:16,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450625930] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:16,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:16,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 21:43:16,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190426820] [2023-11-23 21:43:16,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:16,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 21:43:16,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:16,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 21:43:16,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-23 21:43:16,052 INFO L87 Difference]: Start difference. First operand 90 states and 133 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:43:16,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:16,447 INFO L93 Difference]: Finished difference Result 244 states and 358 transitions. [2023-11-23 21:43:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:43:16,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 111 [2023-11-23 21:43:16,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:16,459 INFO L225 Difference]: With dead ends: 244 [2023-11-23 21:43:16,459 INFO L226 Difference]: Without dead ends: 155 [2023-11-23 21:43:16,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:43:16,465 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 93 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:16,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 474 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:43:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-23 21:43:16,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 152. [2023-11-23 21:43:16,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 126 states have (on average 1.4047619047619047) internal successors, (177), 127 states have internal predecessors, (177), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:43:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 223 transitions. [2023-11-23 21:43:16,511 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 223 transitions. Word has length 111 [2023-11-23 21:43:16,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:16,515 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 223 transitions. [2023-11-23 21:43:16,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:43:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 223 transitions. [2023-11-23 21:43:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-23 21:43:16,526 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:16,527 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1] [2023-11-23 21:43:16,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:43:16,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-23 21:43:16,749 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:43:16,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:16,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1920364934, now seen corresponding path program 1 times [2023-11-23 21:43:16,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:16,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181993393] [2023-11-23 21:43:16,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:16,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:16,803 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:43:16,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1527874686] [2023-11-23 21:43:16,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:16,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:16,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:43:16,806 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:43:16,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:43:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:17,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:43:17,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:43:17,054 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 13 treesize of output 9 [2023-11-23 21:43:17,110 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-23 21:43:17,110 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:43:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:43:17,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:17,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181993393] [2023-11-23 21:43:17,282 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:43:17,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527874686] [2023-11-23 21:43:17,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527874686] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-23 21:43:17,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:43:17,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2023-11-23 21:43:17,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503371565] [2023-11-23 21:43:17,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:17,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:43:17,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:17,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:43:17,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-23 21:43:17,290 INFO L87 Difference]: Start difference. First operand 152 states and 223 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:43:17,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:17,517 INFO L93 Difference]: Finished difference Result 490 states and 721 transitions. [2023-11-23 21:43:17,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:43:17,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 111 [2023-11-23 21:43:17,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:17,524 INFO L225 Difference]: With dead ends: 490 [2023-11-23 21:43:17,524 INFO L226 Difference]: Without dead ends: 339 [2023-11-23 21:43:17,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-23 21:43:17,533 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 172 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:17,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 493 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:43:17,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2023-11-23 21:43:17,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 171. [2023-11-23 21:43:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 145 states have (on average 1.4) internal successors, (203), 146 states have internal predecessors, (203), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:43:17,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 249 transitions. [2023-11-23 21:43:17,588 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 249 transitions. Word has length 111 [2023-11-23 21:43:17,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:17,590 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 249 transitions. [2023-11-23 21:43:17,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:43:17,591 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 249 transitions. [2023-11-23 21:43:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-23 21:43:17,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:17,593 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:17,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:43:17,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:17,810 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:43:17,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:17,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1213892433, now seen corresponding path program 1 times [2023-11-23 21:43:17,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:17,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707994577] [2023-11-23 21:43:17,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:17,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:17,860 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:43:17,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762962970] [2023-11-23 21:43:17,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:17,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:17,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:43:17,875 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:43:17,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:43:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:18,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 21:43:18,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:43:18,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 13 [2023-11-23 21:43:18,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 13 [2023-11-23 21:43:18,913 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:43:18,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 36 [2023-11-23 21:43:19,150 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:43:19,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:43:19,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:19,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707994577] [2023-11-23 21:43:19,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:43:19,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762962970] [2023-11-23 21:43:19,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762962970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:19,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:19,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-23 21:43:19,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14634389] [2023-11-23 21:43:19,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:19,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 21:43:19,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:19,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 21:43:19,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=44, Unknown=5, NotChecked=0, Total=72 [2023-11-23 21:43:19,154 INFO L87 Difference]: Start difference. First operand 171 states and 249 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:43:21,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-23 21:43:28,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:28,267 INFO L93 Difference]: Finished difference Result 594 states and 865 transitions. [2023-11-23 21:43:28,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-23 21:43:28,268 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 113 [2023-11-23 21:43:28,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:28,273 INFO L225 Difference]: With dead ends: 594 [2023-11-23 21:43:28,273 INFO L226 Difference]: Without dead ends: 424 [2023-11-23 21:43:28,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=55, Invalid=92, Unknown=9, NotChecked=0, Total=156 [2023-11-23 21:43:28,275 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 225 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 1 mSolverCounterUnsat, 106 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 106 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:28,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 733 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 385 Invalid, 106 Unknown, 0 Unchecked, 4.2s Time] [2023-11-23 21:43:28,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-11-23 21:43:28,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 357. [2023-11-23 21:43:28,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 306 states have (on average 1.4052287581699345) internal successors, (430), 308 states have internal predecessors, (430), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 21:43:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 522 transitions. [2023-11-23 21:43:28,318 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 522 transitions. Word has length 113 [2023-11-23 21:43:28,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:28,319 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 522 transitions. [2023-11-23 21:43:28,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 8 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:43:28,320 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 522 transitions. [2023-11-23 21:43:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-23 21:43:28,322 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:28,323 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:28,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:43:28,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:28,546 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:43:28,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:28,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1811792175, now seen corresponding path program 1 times [2023-11-23 21:43:28,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:28,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961976355] [2023-11-23 21:43:28,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:28,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:28,641 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:43:28,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1575659344] [2023-11-23 21:43:28,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:28,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:28,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:43:28,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:43:28,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:43:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:28,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 21:43:28,892 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:43:29,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 13 [2023-11-23 21:43:29,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 13 [2023-11-23 21:43:29,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:43:29,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 14 [2023-11-23 21:43:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:43:29,808 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:43:29,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:29,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961976355] [2023-11-23 21:43:29,809 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:43:29,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575659344] [2023-11-23 21:43:29,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575659344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:29,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:29,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:43:29,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729002681] [2023-11-23 21:43:29,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:29,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:43:29,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:29,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:43:29,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:43:29,813 INFO L87 Difference]: Start difference. First operand 357 states and 522 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:43:30,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:30,876 INFO L93 Difference]: Finished difference Result 889 states and 1296 transitions. [2023-11-23 21:43:30,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 21:43:30,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 113 [2023-11-23 21:43:30,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:30,883 INFO L225 Difference]: With dead ends: 889 [2023-11-23 21:43:30,883 INFO L226 Difference]: Without dead ends: 533 [2023-11-23 21:43:30,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:43:30,886 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 180 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:30,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 555 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 21:43:30,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2023-11-23 21:43:30,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 382. [2023-11-23 21:43:30,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 331 states have (on average 1.4138972809667674) internal successors, (468), 333 states have internal predecessors, (468), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 21:43:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 560 transitions. [2023-11-23 21:43:30,925 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 560 transitions. Word has length 113 [2023-11-23 21:43:30,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:30,926 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 560 transitions. [2023-11-23 21:43:30,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:43:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 560 transitions. [2023-11-23 21:43:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-23 21:43:30,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:30,929 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:30,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 21:43:31,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:31,142 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:43:31,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:31,143 INFO L85 PathProgramCache]: Analyzing trace with hash 2069957613, now seen corresponding path program 1 times [2023-11-23 21:43:31,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:31,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944951059] [2023-11-23 21:43:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:31,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:31,206 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:43:31,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507828291] [2023-11-23 21:43:31,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:31,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:31,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:43:31,208 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:43:31,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 21:43:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:31,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 21:43:31,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:43:31,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 13 [2023-11-23 21:43:31,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 13 [2023-11-23 21:43:32,384 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-23 21:43:32,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2023-11-23 21:43:32,468 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-23 21:43:32,468 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:43:32,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:43:32,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944951059] [2023-11-23 21:43:32,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:43:32,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507828291] [2023-11-23 21:43:32,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507828291] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:32,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:32,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 21:43:32,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103927901] [2023-11-23 21:43:32,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:32,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-23 21:43:32,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:43:32,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-23 21:43:32,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:43:32,473 INFO L87 Difference]: Start difference. First operand 382 states and 560 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:43:34,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:34,063 INFO L93 Difference]: Finished difference Result 838 states and 1222 transitions. [2023-11-23 21:43:34,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 21:43:34,064 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 113 [2023-11-23 21:43:34,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:34,068 INFO L225 Difference]: With dead ends: 838 [2023-11-23 21:43:34,068 INFO L226 Difference]: Without dead ends: 453 [2023-11-23 21:43:34,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2023-11-23 21:43:34,071 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 185 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:34,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 721 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 21:43:34,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2023-11-23 21:43:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 382. [2023-11-23 21:43:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 331 states have (on average 1.4018126888217524) internal successors, (464), 333 states have internal predecessors, (464), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 21:43:34,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 556 transitions. [2023-11-23 21:43:34,106 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 556 transitions. Word has length 113 [2023-11-23 21:43:34,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:34,107 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 556 transitions. [2023-11-23 21:43:34,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-23 21:43:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 556 transitions. [2023-11-23 21:43:34,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-23 21:43:34,109 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:34,110 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:34,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 21:43:34,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:34,318 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:43:34,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:34,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1661355439, now seen corresponding path program 1 times [2023-11-23 21:43:34,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:43:34,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110897936] [2023-11-23 21:43:34,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:34,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:43:34,370 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:43:34,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1878249325] [2023-11-23 21:43:34,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:34,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:43:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:43:34,372 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:43:34,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 21:43:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:43:34,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:43:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:43:35,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:43:35,380 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:43:35,383 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:43:35,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 21:43:35,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-23 21:43:35,592 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:43:35,596 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:43:35,705 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-23 21:43:35,721 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-23 21:43:35,722 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-23 21:43:35,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-23 21:43:35,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-23 21:43:35,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-23 21:43:35,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:43:35,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-23 21:43:35,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:43:35,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-23 21:43:35,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-23 21:43:35,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-23 21:43:35,741 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:43:35,742 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-23 21:43:35,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-23 21:43:35,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-23 21:43:35,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-23 21:43:35,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-23 21:43:35,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-23 21:43:35,754 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-23 21:43:35,755 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 21:43:35,756 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 21:43:35,757 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 21:43:35,762 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 21:43:35,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-23 21:43:35,763 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite11 could not be translated [2023-11-23 21:43:35,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 21:43:35,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-23 21:43:35,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated [2023-11-23 21:43:35,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated [2023-11-23 21:43:35,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated [2023-11-23 21:43:35,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:43:35,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:43:35,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:43:35,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:43:35,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:43:35,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:43:35,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-23 21:43:35,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:43:35,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:43:35,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:43:35,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-23 21:43:35,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-23 21:43:35,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated [2023-11-23 21:43:35,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated [2023-11-23 21:43:35,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-23 21:43:35,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-23 21:43:35,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-23 21:43:35,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 21:43:35,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:43:35 BoogieIcfgContainer [2023-11-23 21:43:35,816 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:43:35,817 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:43:35,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:43:35,817 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:43:35,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:14" (3/4) ... [2023-11-23 21:43:35,821 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:43:35,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:43:35,823 INFO L158 Benchmark]: Toolchain (without parser) took 23378.07ms. Allocated memory was 182.5MB in the beginning and 234.9MB in the end (delta: 52.4MB). Free memory was 139.8MB in the beginning and 83.5MB in the end (delta: 56.3MB). Peak memory consumption was 111.1MB. Max. memory is 16.1GB. [2023-11-23 21:43:35,823 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:43:35,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.46ms. Allocated memory is still 182.5MB. Free memory was 139.5MB in the beginning and 125.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:43:35,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.06ms. Allocated memory is still 182.5MB. Free memory was 125.8MB in the beginning and 122.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:43:35,824 INFO L158 Benchmark]: Boogie Preprocessor took 97.06ms. Allocated memory is still 182.5MB. Free memory was 122.4MB in the beginning and 118.0MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:43:35,825 INFO L158 Benchmark]: RCFGBuilder took 971.89ms. Allocated memory is still 182.5MB. Free memory was 117.7MB in the beginning and 136.2MB in the end (delta: -18.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-11-23 21:43:35,825 INFO L158 Benchmark]: TraceAbstraction took 21806.31ms. Allocated memory was 182.5MB in the beginning and 234.9MB in the end (delta: 52.4MB). Free memory was 135.6MB in the beginning and 84.6MB in the end (delta: 51.0MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. [2023-11-23 21:43:35,825 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 234.9MB. Free memory was 84.6MB in the beginning and 83.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:43:35,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.46ms. Allocated memory is still 182.5MB. Free memory was 139.5MB in the beginning and 125.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.06ms. Allocated memory is still 182.5MB. Free memory was 125.8MB in the beginning and 122.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.06ms. Allocated memory is still 182.5MB. Free memory was 122.4MB in the beginning and 118.0MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 971.89ms. Allocated memory is still 182.5MB. Free memory was 117.7MB in the beginning and 136.2MB in the end (delta: -18.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21806.31ms. Allocated memory was 182.5MB in the beginning and 234.9MB in the end (delta: 52.4MB). Free memory was 135.6MB in the beginning and 84.6MB in the end (delta: 51.0MB). Peak memory consumption was 102.0MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 234.9MB. Free memory was 84.6MB in the beginning and 83.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem23 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem22 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[5] = { 1, 1, 0, 0, 1 }; [L25-L27] double double_Array_0[1] = { 31.75 }; [L25-L27] double double_Array_0[1] = { 31.75 }; [L28-L30] signed char signed_char_Array_0[3] = { -25, 4, -8 }; [L28-L30] signed char signed_char_Array_0[3] = { -25, 4, -8 }; [L28-L30] signed char signed_char_Array_0[3] = { -25, 4, -8 }; [L28-L30] signed char signed_char_Array_0[3] = { -25, 4, -8 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 32, -4 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 32, -4 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { 32, -4 }; [L34] unsigned char last_1_BOOL_unsigned_char_Array_0_4_ = 1; [L35] signed short int last_1_signed_short_int_Array_0_1_ = -4; [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L97] EXPR BOOL_unsigned_char_Array_0[4] [L97] last_1_BOOL_unsigned_char_Array_0_4_ = BOOL_unsigned_char_Array_0[4] [L98] EXPR signed_short_int_Array_0[1] [L98] last_1_signed_short_int_Array_0_1_ = signed_short_int_Array_0[1] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L74] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L77] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L78] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L79] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L80] BOOL_unsigned_char_Array_0[3] = __VERIFIER_nondet_uchar() [L81] EXPR BOOL_unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L81] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L82] EXPR BOOL_unsigned_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L82] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[3] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L82] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[3] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L83] double_Array_0[0] = __VERIFIER_nondet_double() [L84] EXPR double_Array_0[0] [L84] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F [L84] EXPR double_Array_0[0] [L84] EXPR double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] EXPR (double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L84] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854776000e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854776000e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L85] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L86] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L87] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L88] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L89] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L89] CALL assume_abort_if_not(signed_char_Array_0[2] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L89] RET assume_abort_if_not(signed_char_Array_0[2] >= -128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] CALL assume_abort_if_not(signed_char_Array_0[2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L90] RET assume_abort_if_not(signed_char_Array_0[2] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] CALL assume_abort_if_not(signed_char_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L91] RET assume_abort_if_not(signed_char_Array_0[2] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L92] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L93] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L93] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L93] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L94] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32766) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L109] RET updateVariables() [L110] CALL step() [L39] EXPR signed_short_int_Array_0[0] [L39] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L39] COND FALSE !(last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2])) [L44] EXPR signed_char_Array_0[2] [L44] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L44] EXPR ((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]) [L44] EXPR signed_char_Array_0[2] [L44] EXPR ((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L44] signed long int stepLocal_1 = (((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0])); [L45] EXPR signed_char_Array_0[0] [L45] EXPR signed_char_Array_0[2] [L45] signed long int stepLocal_0 = signed_char_Array_0[0] / signed_char_Array_0[2]; [L46] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L46] COND TRUE (- double_Array_0[0]) >= 16.75 [L47] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L47] COND TRUE stepLocal_0 >= signed_char_Array_0[0] [L48] COND TRUE stepLocal_1 > -32 [L49] BOOL_unsigned_char_Array_0[4] = 0 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L63] EXPR signed_char_Array_0[0] [L63] signed char stepLocal_2 = signed_char_Array_0[0]; [L64] EXPR signed_char_Array_0[0] [L64] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L64] EXPR signed_char_Array_0[0] | signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}, stepLocal_0=0, stepLocal_1=-26, stepLocal_2=-25] [L64] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L64] COND TRUE ((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < stepLocal_2 [L65] EXPR signed_short_int_Array_0[0] [L65] signed_short_int_Array_0[1] = (signed_short_int_Array_0[0] - 256) [L69] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L69] COND FALSE !(1 == signed_char_Array_0[2]) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR double_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) [L101] EXPR BOOL_unsigned_char_Array_0[4] [L101] EXPR ((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR ((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2])) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101] EXPR (((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2])) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) : 1) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L101-L102] return (((((- double_Array_0[0]) >= 16.75) ? (((signed_char_Array_0[0] / signed_char_Array_0[2]) >= signed_char_Array_0[0]) ? ((((((signed_char_Array_0[2]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[0]))) > -32) ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 0)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) (BOOL_unsigned_char_Array_0[3] || BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[3] ? (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1)) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) BOOL_unsigned_char_Array_0[2])))) : (BOOL_unsigned_char_Array_0[4] == ((unsigned char) 1))) && ((1 == signed_char_Array_0[2]) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) BOOL_unsigned_char_Array_0[0])) : 1)) && ((((signed_char_Array_0[0] | signed_char_Array_0[0]) + signed_char_Array_0[2]) < signed_char_Array_0[0]) ? (signed_short_int_Array_0[1] == ((signed short int) (signed_short_int_Array_0[0] - 256))) : (signed_short_int_Array_0[1] == ((signed short int) 128)))) && ((last_1_signed_short_int_Array_0_1_ <= (signed_short_int_Array_0[0] / signed_char_Array_0[2])) ? (last_1_BOOL_unsigned_char_Array_0_4_ ? (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) : 1) : 1) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_4_=1, last_1_signed_short_int_Array_0_1_=-4, signed_char_Array_0={6:0}, signed_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.5s, OverallIterations: 7, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 106 mSolverCounterUnknown, 855 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 855 mSDsluCounter, 3105 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2303 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1321 IncrementalHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 802 mSDtfsCounter, 1321 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 791 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=5, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 460 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 896 NumberOfCodeBlocks, 896 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 776 ConstructedInterpolants, 1 QuantifiedInterpolants, 4256 SizeOfPredicates, 29 NumberOfNonLiveVariables, 2352 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 2515/2548 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:43:36,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ --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 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:43:39,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:43:39,209 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 21:43:39,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:43:39,225 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:43:39,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:43:39,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:43:39,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:43:39,277 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:43:39,284 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:43:39,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:43:39,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:43:39,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:43:39,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:43:39,289 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:43:39,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:43:39,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:43:39,292 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:43:39,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:43:39,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:43:39,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:43:39,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:43:39,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:43:39,296 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:43:39,297 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:43:39,297 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:43:39,298 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:43:39,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:43:39,299 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:43:39,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:43:39,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:43:39,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:43:39,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:43:39,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:43:39,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:43:39,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:43:39,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:43:39,305 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 21:43:39,305 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:43:39,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:43:39,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:43:39,306 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:43:39,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:43:39,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:43:39,307 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 21:43:39,307 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_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13a017e811a0741c89c8b84e8861e71b0cc1dab29c6c9c0512aab721a63586fe [2023-11-23 21:43:39,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:43:39,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:43:39,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:43:39,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:43:39,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:43:39,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i [2023-11-23 21:43:43,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:43:43,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:43:43,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i [2023-11-23 21:43:43,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/data/a2c384448/36cf6f58d8ee4768a7a7b1b6fc68366e/FLAGc9e894e29 [2023-11-23 21:43:43,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/data/a2c384448/36cf6f58d8ee4768a7a7b1b6fc68366e [2023-11-23 21:43:43,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:43:43,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:43:43,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:43:43,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:43:43,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:43:43,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:43,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515e1530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43, skipping insertion in model container [2023-11-23 21:43:43,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:43,577 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:43:43,771 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_45644353-5074-4743-8998-94d4f839bce8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2023-11-23 21:43:43,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:43:43,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:43:43,875 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_45644353-5074-4743-8998-94d4f839bce8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-46.i[916,929] [2023-11-23 21:43:43,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:43:43,957 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:43:43,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43 WrapperNode [2023-11-23 21:43:43,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:43:43,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:43:43,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:43:43,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:43:43,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:43,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,060 INFO L138 Inliner]: procedures = 33, calls = 130, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2023-11-23 21:43:44,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:43:44,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:43:44,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:43:44,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:43:44,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,116 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,155 INFO L189 HeapSplitter]: Split 101 memory accesses to 5 slices as follows [2, 37, 8, 40, 14] [2023-11-23 21:43:44,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,201 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:43:44,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:43:44,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:43:44,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:43:44,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (1/1) ... [2023-11-23 21:43:44,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:43:44,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:43:44,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:43:44,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:43:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:43:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-23 21:43:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-23 21:43:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-23 21:43:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-23 21:43:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-23 21:43:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-23 21:43:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-23 21:43:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-23 21:43:44,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-23 21:43:44,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-23 21:43:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-23 21:43:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-23 21:43:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-23 21:43:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-23 21:43:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-23 21:43:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-23 21:43:44,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-23 21:43:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-23 21:43:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-23 21:43:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-11-23 21:43:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 21:43:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-23 21:43:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-23 21:43:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-23 21:43:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-23 21:43:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-23 21:43:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-23 21:43:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-23 21:43:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-23 21:43:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-23 21:43:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-23 21:43:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-23 21:43:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-23 21:43:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-23 21:43:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-23 21:43:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:43:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:43:44,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:43:44,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:43:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-23 21:43:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-23 21:43:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-23 21:43:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-23 21:43:44,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-23 21:43:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-23 21:43:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-23 21:43:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-23 21:43:44,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-23 21:43:44,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-11-23 21:43:44,596 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:43:44,598 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:43:45,340 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:43:45,382 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:43:45,382 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:43:45,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:45 BoogieIcfgContainer [2023-11-23 21:43:45,383 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:43:45,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:43:45,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:43:45,389 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:43:45,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:43:43" (1/3) ... [2023-11-23 21:43:45,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514fc324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:43:45, skipping insertion in model container [2023-11-23 21:43:45,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:43:43" (2/3) ... [2023-11-23 21:43:45,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514fc324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:43:45, skipping insertion in model container [2023-11-23 21:43:45,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:43:45" (3/3) ... [2023-11-23 21:43:45,392 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-46.i [2023-11-23 21:43:45,412 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:43:45,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:43:45,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:43:45,474 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;@336da7d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:43:45,475 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:43:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:43:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 21:43:45,495 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:45,496 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1] [2023-11-23 21:43:45,496 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:43:45,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:45,502 INFO L85 PathProgramCache]: Analyzing trace with hash 309420061, now seen corresponding path program 1 times [2023-11-23 21:43:45,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:43:45,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142256217] [2023-11-23 21:43:45,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:45,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:43:45,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:43:45,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:43:45,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:43:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:45,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:43:45,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:43:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-11-23 21:43:46,006 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:43:46,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:43:46,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1142256217] [2023-11-23 21:43:46,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1142256217] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:43:46,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:43:46,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:43:46,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822980767] [2023-11-23 21:43:46,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:43:46,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:43:46,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:43:46,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:43:46,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:43:46,067 INFO L87 Difference]: Start difference. First operand has 86 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:43:46,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:43:46,135 INFO L93 Difference]: Finished difference Result 169 states and 268 transitions. [2023-11-23 21:43:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:43:46,138 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2023-11-23 21:43:46,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:43:46,147 INFO L225 Difference]: With dead ends: 169 [2023-11-23 21:43:46,147 INFO L226 Difference]: Without dead ends: 84 [2023-11-23 21:43:46,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:43:46,154 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:43:46,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:43:46,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-23 21:43:46,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-23 21:43:46,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 68 states have internal predecessors, (95), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:43:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 123 transitions. [2023-11-23 21:43:46,208 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 123 transitions. Word has length 109 [2023-11-23 21:43:46,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:43:46,209 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 123 transitions. [2023-11-23 21:43:46,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:43:46,209 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2023-11-23 21:43:46,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 21:43:46,213 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:43:46,214 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1] [2023-11-23 21:43:46,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:43:46,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:43:46,422 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:43:46,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:43:46,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1602147687, now seen corresponding path program 1 times [2023-11-23 21:43:46,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:43:46,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881349914] [2023-11-23 21:43:46,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:46,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:43:46,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:43:46,430 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:43:46,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:43:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:46,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 21:43:46,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:43:46,843 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 21 treesize of output 9 [2023-11-23 21:43:47,617 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 18 treesize of output 10 [2023-11-23 21:43:49,182 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 30 treesize of output 18 [2023-11-23 21:43:50,172 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 127 proven. 6 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-23 21:43:50,172 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:43:52,410 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 23 treesize of output 15 [2023-11-23 21:43:53,008 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:43:53,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881349914] [2023-11-23 21:43:53,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881349914] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:43:53,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1186397398] [2023-11-23 21:43:53,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:43:53,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:43:53,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/cvc4 [2023-11-23 21:43:53,050 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:43:53,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45644353-5074-4743-8998-94d4f839bce8/bin/uautomizer-verify-zZY32mL2XJ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:43:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:43:53,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 21:43:53,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:43:54,015 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 21 treesize of output 9 [2023-11-23 21:43:56,214 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 18 treesize of output 10 [2023-11-23 21:43:58,401 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 26 treesize of output 18 [2023-11-23 21:43:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-23 21:43:59,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:43:59,818 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 12 treesize of output 6