./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme --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 60e0d367a188d63fa8b46fcc4be9e9d24b19690e82d361011ef9ebf2c61f53ca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:05:19,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:05:19,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:05:19,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:05:19,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:05:19,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:05:19,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:05:19,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:05:19,305 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:05:19,305 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:05:19,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:05:19,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:05:19,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:05:19,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:05:19,309 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:05:19,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:05:19,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:05:19,311 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:05:19,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:05:19,312 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:05:19,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:05:19,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:05:19,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:05:19,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:05:19,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:05:19,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:05:19,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:05:19,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:05:19,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:05:19,318 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:05:19,319 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:05:19,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:19,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:05:19,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:05:19,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:05:19,321 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:05:19,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:05:19,322 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:05:19,323 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:05:19,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:05:19,323 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:05:19,324 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:05:19,324 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_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60e0d367a188d63fa8b46fcc4be9e9d24b19690e82d361011ef9ebf2c61f53ca [2023-11-26 12:05:19,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:05:19,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:05:19,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:05:19,669 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:05:19,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:05:19,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i [2023-11-26 12:05:22,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:05:23,032 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:05:23,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i [2023-11-26 12:05:23,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/data/bb39aff20/105975bee7084b749105ed2b30489d95/FLAGedf01c595 [2023-11-26 12:05:23,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/data/bb39aff20/105975bee7084b749105ed2b30489d95 [2023-11-26 12:05:23,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:05:23,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:05:23,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:23,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:05:23,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:05:23,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,073 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2872db0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23, skipping insertion in model container [2023-11-26 12:05:23,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,111 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:05:23,282 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_2aa00d27-4700-413c-9385-71abf50cc0b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i[916,929] [2023-11-26 12:05:23,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:23,364 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:05:23,377 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_2aa00d27-4700-413c-9385-71abf50cc0b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i[916,929] [2023-11-26 12:05:23,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:23,437 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:05:23,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23 WrapperNode [2023-11-26 12:05:23,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:23,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:23,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:05:23,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:05:23,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,541 INFO L138 Inliner]: procedures = 29, calls = 135, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 357 [2023-11-26 12:05:23,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:23,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:05:23,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:05:23,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:05:23,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,575 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,601 INFO L175 MemorySlicer]: Split 106 memory accesses to 7 slices as follows [2, 6, 3, 13, 17, 30, 35]. 33 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 2, 2, 3, 3]. The 16 writes are split as follows [0, 1, 1, 2, 5, 3, 4]. [2023-11-26 12:05:23,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,602 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,638 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:05:23,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:05:23,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:05:23,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:05:23,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (1/1) ... [2023-11-26 12:05:23,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:23,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:23,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:05:23,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:05:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:05:23,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 12:05:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 12:05:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2023-11-26 12:05:23,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2023-11-26 12:05:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2023-11-26 12:05:23,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2023-11-26 12:05:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2023-11-26 12:05:23,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:05:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:05:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 12:05:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 12:05:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 12:05:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 12:05:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 12:05:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-26 12:05:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-26 12:05:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2023-11-26 12:05:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2023-11-26 12:05:23,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2023-11-26 12:05:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2023-11-26 12:05:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2023-11-26 12:05:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:05:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:05:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 12:05:23,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 12:05:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 12:05:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 12:05:23,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 12:05:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-26 12:05:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-26 12:05:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2023-11-26 12:05:23,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2023-11-26 12:05:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2023-11-26 12:05:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2023-11-26 12:05:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2023-11-26 12:05:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:05:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:05:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:05:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:05:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 12:05:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 12:05:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 12:05:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 12:05:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 12:05:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:05:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:05:23,982 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:05:23,985 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:05:24,535 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:05:24,589 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:05:24,589 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:05:24,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:24 BoogieIcfgContainer [2023-11-26 12:05:24,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:05:24,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:05:24,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:05:24,597 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:05:24,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:05:23" (1/3) ... [2023-11-26 12:05:24,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76066833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:24, skipping insertion in model container [2023-11-26 12:05:24,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:23" (2/3) ... [2023-11-26 12:05:24,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76066833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:24, skipping insertion in model container [2023-11-26 12:05:24,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:24" (3/3) ... [2023-11-26 12:05:24,605 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-67.i [2023-11-26 12:05:24,625 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:05:24,625 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:05:24,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:05:24,689 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;@63830fca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:05:24,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:05:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:24,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 12:05:24,709 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:24,710 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:24,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:24,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:24,717 INFO L85 PathProgramCache]: Analyzing trace with hash 424027529, now seen corresponding path program 1 times [2023-11-26 12:05:24,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:24,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003830250] [2023-11-26 12:05:24,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:24,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:25,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:25,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003830250] [2023-11-26 12:05:25,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 12:05:25,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353159830] [2023-11-26 12:05:25,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:25,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:25,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:25,046 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:25,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:05:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:25,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:05:25,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:25,432 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-26 12:05:25,432 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:25,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353159830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:25,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:25,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:25,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096249739] [2023-11-26 12:05:25,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:25,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:05:25,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:25,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:05:25,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:05:25,498 INFO L87 Difference]: Start difference. First operand has 84 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 12:05:25,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:25,554 INFO L93 Difference]: Finished difference Result 165 states and 258 transitions. [2023-11-26 12:05:25,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:05:25,557 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2023-11-26 12:05:25,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:25,566 INFO L225 Difference]: With dead ends: 165 [2023-11-26 12:05:25,566 INFO L226 Difference]: Without dead ends: 82 [2023-11-26 12:05:25,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:05:25,574 INFO L413 NwaCegarLoop]: 115 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, 115 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 [2023-11-26 12:05:25,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:05:25,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-26 12:05:25,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-26 12:05:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 68 states have internal predecessors, (95), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:25,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 119 transitions. [2023-11-26 12:05:25,625 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 119 transitions. Word has length 99 [2023-11-26 12:05:25,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:25,626 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 119 transitions. [2023-11-26 12:05:25,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 12:05:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2023-11-26 12:05:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 12:05:25,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:25,633 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:25,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:25,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 12:05:25,841 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:25,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:25,842 INFO L85 PathProgramCache]: Analyzing trace with hash -799741447, now seen corresponding path program 1 times [2023-11-26 12:05:25,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:25,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678203906] [2023-11-26 12:05:25,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:25,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:26,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:26,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678203906] [2023-11-26 12:05:26,041 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 12:05:26,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377436222] [2023-11-26 12:05:26,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:26,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:26,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:26,047 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:26,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:05:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:26,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:05:26,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-26 12:05:26,402 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:26,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377436222] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:26,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:26,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:26,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313362615] [2023-11-26 12:05:26,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:26,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:26,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:26,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:26,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:26,411 INFO L87 Difference]: Start difference. First operand 82 states and 119 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 12:05:26,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:26,503 INFO L93 Difference]: Finished difference Result 169 states and 246 transitions. [2023-11-26 12:05:26,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:26,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2023-11-26 12:05:26,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:26,507 INFO L225 Difference]: With dead ends: 169 [2023-11-26 12:05:26,509 INFO L226 Difference]: Without dead ends: 88 [2023-11-26 12:05:26,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:26,514 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 10 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:26,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 334 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:05:26,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-26 12:05:26,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2023-11-26 12:05:26,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 70 states have internal predecessors, (97), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2023-11-26 12:05:26,550 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 99 [2023-11-26 12:05:26,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:26,550 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2023-11-26 12:05:26,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 12:05:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2023-11-26 12:05:26,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 12:05:26,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:26,563 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:26,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:26,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:26,770 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:26,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:26,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1618743031, now seen corresponding path program 1 times [2023-11-26 12:05:26,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:26,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184740494] [2023-11-26 12:05:26,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:26,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:26,829 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:26,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1962039281] [2023-11-26 12:05:26,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:26,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:26,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:26,842 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:26,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:05:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:27,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:05:27,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:05:27,081 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:27,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:27,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184740494] [2023-11-26 12:05:27,082 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:27,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962039281] [2023-11-26 12:05:27,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962039281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:27,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:27,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:27,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428794835] [2023-11-26 12:05:27,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:27,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:27,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:27,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:27,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:27,085 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:27,129 INFO L93 Difference]: Finished difference Result 179 states and 258 transitions. [2023-11-26 12:05:27,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:27,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 99 [2023-11-26 12:05:27,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:27,132 INFO L225 Difference]: With dead ends: 179 [2023-11-26 12:05:27,132 INFO L226 Difference]: Without dead ends: 96 [2023-11-26 12:05:27,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:27,134 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 21 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:27,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 336 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:05:27,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-26 12:05:27,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 86. [2023-11-26 12:05:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 123 transitions. [2023-11-26 12:05:27,146 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 123 transitions. Word has length 99 [2023-11-26 12:05:27,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:27,147 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 123 transitions. [2023-11-26 12:05:27,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:27,148 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-11-26 12:05:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 12:05:27,149 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:27,150 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:27,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-26 12:05:27,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:27,357 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:27,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:27,357 INFO L85 PathProgramCache]: Analyzing trace with hash 809396405, now seen corresponding path program 1 times [2023-11-26 12:05:27,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:27,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618720513] [2023-11-26 12:05:27,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:27,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:27,404 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:27,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664859475] [2023-11-26 12:05:27,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:27,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:27,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:27,419 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:27,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:05:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:27,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:05:27,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:05:27,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:27,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:27,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618720513] [2023-11-26 12:05:27,697 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:27,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664859475] [2023-11-26 12:05:27,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664859475] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:27,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:27,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:27,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080365511] [2023-11-26 12:05:27,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:27,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:27,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:27,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:27,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:27,700 INFO L87 Difference]: Start difference. First operand 86 states and 123 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:27,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:27,760 INFO L93 Difference]: Finished difference Result 179 states and 256 transitions. [2023-11-26 12:05:27,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:27,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 99 [2023-11-26 12:05:27,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:27,765 INFO L225 Difference]: With dead ends: 179 [2023-11-26 12:05:27,766 INFO L226 Difference]: Without dead ends: 94 [2023-11-26 12:05:27,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:27,772 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 12 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:27,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 334 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:05:27,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-26 12:05:27,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2023-11-26 12:05:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 74 states have (on average 1.364864864864865) internal successors, (101), 74 states have internal predecessors, (101), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 125 transitions. [2023-11-26 12:05:27,782 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 125 transitions. Word has length 99 [2023-11-26 12:05:27,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:27,783 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 125 transitions. [2023-11-26 12:05:27,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:27,783 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 125 transitions. [2023-11-26 12:05:27,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 12:05:27,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:27,790 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:27,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:27,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:27,998 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:27,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:27,999 INFO L85 PathProgramCache]: Analyzing trace with hash 866654707, now seen corresponding path program 1 times [2023-11-26 12:05:27,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:27,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356961057] [2023-11-26 12:05:27,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:27,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:28,041 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:28,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1479316036] [2023-11-26 12:05:28,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:28,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:28,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:28,042 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:28,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:05:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:28,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-26 12:05:28,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:28,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:05:29,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-11-26 12:05:29,641 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:29,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 121 treesize of output 72 [2023-11-26 12:05:30,409 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:30,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 247 treesize of output 123 [2023-11-26 12:05:30,663 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 156 proven. 51 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-26 12:05:30,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:05:31,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:31,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356961057] [2023-11-26 12:05:31,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:31,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479316036] [2023-11-26 12:05:31,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479316036] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:31,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:05:31,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [23] total 28 [2023-11-26 12:05:31,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977749398] [2023-11-26 12:05:31,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:31,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:31,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:31,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:31,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=612, Unknown=0, NotChecked=0, Total=756 [2023-11-26 12:05:31,243 INFO L87 Difference]: Start difference. First operand 88 states and 125 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:31,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:31,621 INFO L93 Difference]: Finished difference Result 280 states and 397 transitions. [2023-11-26 12:05:31,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:05:31,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 99 [2023-11-26 12:05:31,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:31,624 INFO L225 Difference]: With dead ends: 280 [2023-11-26 12:05:31,624 INFO L226 Difference]: Without dead ends: 193 [2023-11-26 12:05:31,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2023-11-26 12:05:31,626 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 260 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:31,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 701 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:05:31,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-26 12:05:31,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 161. [2023-11-26 12:05:31,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 140 states have (on average 1.3714285714285714) internal successors, (192), 141 states have internal predecessors, (192), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 12:05:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 228 transitions. [2023-11-26 12:05:31,647 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 228 transitions. Word has length 99 [2023-11-26 12:05:31,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:31,648 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 228 transitions. [2023-11-26 12:05:31,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 228 transitions. [2023-11-26 12:05:31,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 12:05:31,650 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:31,650 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:31,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:31,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:31,864 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:31,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:31,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1085509425, now seen corresponding path program 1 times [2023-11-26 12:05:31,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:31,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233158301] [2023-11-26 12:05:31,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:31,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:31,925 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:31,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [473227518] [2023-11-26 12:05:31,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:31,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:31,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:31,927 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:31,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 12:05:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:32,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 12:05:32,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:05:32,206 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:32,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:32,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233158301] [2023-11-26 12:05:32,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:32,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [473227518] [2023-11-26 12:05:32,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [473227518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:32,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:32,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:32,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263301443] [2023-11-26 12:05:32,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:32,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:05:32,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:32,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:05:32,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:32,210 INFO L87 Difference]: Start difference. First operand 161 states and 228 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:32,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:32,247 INFO L93 Difference]: Finished difference Result 356 states and 501 transitions. [2023-11-26 12:05:32,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:05:32,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 99 [2023-11-26 12:05:32,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:32,253 INFO L225 Difference]: With dead ends: 356 [2023-11-26 12:05:32,254 INFO L226 Difference]: Without dead ends: 196 [2023-11-26 12:05:32,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:05:32,256 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 58 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:32,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 288 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:05:32,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-26 12:05:32,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 159. [2023-11-26 12:05:32,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 138 states have (on average 1.3623188405797102) internal successors, (188), 139 states have internal predecessors, (188), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 12:05:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 224 transitions. [2023-11-26 12:05:32,291 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 224 transitions. Word has length 99 [2023-11-26 12:05:32,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:32,294 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 224 transitions. [2023-11-26 12:05:32,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 224 transitions. [2023-11-26 12:05:32,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-26 12:05:32,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:32,306 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:32,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:32,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-26 12:05:32,519 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:32,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:32,519 INFO L85 PathProgramCache]: Analyzing trace with hash 872493668, now seen corresponding path program 1 times [2023-11-26 12:05:32,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:32,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047712393] [2023-11-26 12:05:32,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:32,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:32,572 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:32,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2101133937] [2023-11-26 12:05:32,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:32,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:32,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:32,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:32,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 12:05:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:32,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-26 12:05:32,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:32,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:32,884 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 35 treesize of output 15 [2023-11-26 12:05:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:05:32,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:32,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:32,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047712393] [2023-11-26 12:05:32,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:32,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101133937] [2023-11-26 12:05:32,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101133937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:32,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:32,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:32,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117749505] [2023-11-26 12:05:32,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:32,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:05:32,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:32,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:05:32,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:32,901 INFO L87 Difference]: Start difference. First operand 159 states and 224 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:33,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:33,129 INFO L93 Difference]: Finished difference Result 514 states and 722 transitions. [2023-11-26 12:05:33,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-26 12:05:33,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-26 12:05:33,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:33,134 INFO L225 Difference]: With dead ends: 514 [2023-11-26 12:05:33,134 INFO L226 Difference]: Without dead ends: 356 [2023-11-26 12:05:33,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:05:33,136 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 156 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:33,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 404 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:05:33,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2023-11-26 12:05:33,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 188. [2023-11-26 12:05:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 167 states have (on average 1.3892215568862276) internal successors, (232), 168 states have internal predecessors, (232), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 12:05:33,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 268 transitions. [2023-11-26 12:05:33,164 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 268 transitions. Word has length 103 [2023-11-26 12:05:33,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:33,165 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 268 transitions. [2023-11-26 12:05:33,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:33,166 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 268 transitions. [2023-11-26 12:05:33,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-26 12:05:33,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:33,171 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:33,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-26 12:05:33,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 12:05:33,379 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:33,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:33,379 INFO L85 PathProgramCache]: Analyzing trace with hash -407370010, now seen corresponding path program 1 times [2023-11-26 12:05:33,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:33,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208966621] [2023-11-26 12:05:33,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:33,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:33,431 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:33,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [717500855] [2023-11-26 12:05:33,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:33,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:33,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:33,433 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:33,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 12:05:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:33,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-26 12:05:33,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:33,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2023-11-26 12:05:33,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:33,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 18 [2023-11-26 12:05:33,912 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:33,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 28 [2023-11-26 12:05:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-26 12:05:33,937 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:05:34,035 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:05:34,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:05:34,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208966621] [2023-11-26 12:05:34,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:05:34,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717500855] [2023-11-26 12:05:34,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717500855] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:05:34,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:05:34,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-11-26 12:05:34,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543162938] [2023-11-26 12:05:34,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:34,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:34,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:05:34,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:34,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:05:34,039 INFO L87 Difference]: Start difference. First operand 188 states and 268 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:34,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:34,349 INFO L93 Difference]: Finished difference Result 585 states and 830 transitions. [2023-11-26 12:05:34,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:05:34,350 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-26 12:05:34,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:34,353 INFO L225 Difference]: With dead ends: 585 [2023-11-26 12:05:34,354 INFO L226 Difference]: Without dead ends: 398 [2023-11-26 12:05:34,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-11-26 12:05:34,356 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 209 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:34,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 702 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:05:34,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-11-26 12:05:34,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 357. [2023-11-26 12:05:34,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 318 states have (on average 1.3742138364779874) internal successors, (437), 321 states have internal predecessors, (437), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-26 12:05:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 505 transitions. [2023-11-26 12:05:34,392 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 505 transitions. Word has length 103 [2023-11-26 12:05:34,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:34,392 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 505 transitions. [2023-11-26 12:05:34,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 505 transitions. [2023-11-26 12:05:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-26 12:05:34,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:34,394 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:34,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:34,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:34,595 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:34,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:34,596 INFO L85 PathProgramCache]: Analyzing trace with hash 198713313, now seen corresponding path program 1 times [2023-11-26 12:05:34,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:05:34,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415385119] [2023-11-26 12:05:34,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:34,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:05:34,644 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:05:34,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [416003445] [2023-11-26 12:05:34,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:34,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:34,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:34,646 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:05:34,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 12:05:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:05:35,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:05:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:05:35,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:05:35,563 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:05:35,565 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:05:35,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:35,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:05:35,780 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:35,784 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:05:35,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-26 12:05:35,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-26 12:05:35,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 12:05:35,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-26 12:05:35,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 12:05:35,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-26 12:05:35,898 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-26 12:05:35,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 12:05:35,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short38 could not be translated [2023-11-26 12:05:35,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-26 12:05:35,900 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short38 could not be translated [2023-11-26 12:05:35,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 12:05:35,901 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-26 12:05:35,902 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-26 12:05:35,903 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 12:05:35,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 12:05:35,906 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 12:05:35,907 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 12:05:35,908 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-26 12:05:35,910 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-26 12:05:35,911 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-26 12:05:35,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-26 12:05:35,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-26 12:05:35,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-26 12:05:35,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-26 12:05:35,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated [2023-11-26 12:05:35,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-26 12:05:35,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite12 could not be translated [2023-11-26 12:05:35,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 12:05:35,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 12:05:35,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 12:05:35,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 12:05:35,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 12:05:35,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 12:05:35,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 12:05:35,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 12:05:35,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 12:05:35,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 12:05:35,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 12:05:35,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 12:05:35,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 12:05:35,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 12:05:35,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 12:05:35,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 12:05:35,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 12:05:35,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:05:35,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 12:05:35,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 12:05:35,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 12:05:35,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 12:05:35,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 12:05:35,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 12:05:35,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 12:05:35,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 12:05:35,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 12:05:35,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 12:05:35,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 12:05:35,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 12:05:35,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 12:05:35,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 12:05:35,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 12:05:35,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 12:05:35,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 12:05:35,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 12:05:35,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 12:05:35,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 12:05:35,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 12:05:35,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:05:35,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 12:05:35,941 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 12:05:35,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 12:05:35,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 12:05:35,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 12:05:35,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:05:35,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 12:05:35,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 12:05:35,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-26 12:05:35,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 12:05:35,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 12:05:35,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 12:05:35,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 12:05:35,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 12:05:35,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 12:05:35,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 12:05:35,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 12:05:35,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 12:05:35,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 12:05:35,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:05:35,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 12:05:35,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-26 12:05:35,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 12:05:35,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 12:05:35,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-26 12:05:35,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 12:05:35,950 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 12:05:35,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 12:05:35,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-26 12:05:35,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:05:35,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 12:05:35,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 12:05:35,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 12:05:35,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 12:05:35,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-26 12:05:35,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 12:05:35,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 12:05:35,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 12:05:35,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 12:05:35,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 12:05:35,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-26 12:05:35,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 12:05:35,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 12:05:35,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 12:05:35,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-26 12:05:35,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 12:05:35,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 12:05:35,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-26 12:05:35,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 12:05:35,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 12:05:35,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-26 12:05:35,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 12:05:35,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 12:05:35,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 12:05:35,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 12:05:35,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 12:05:35,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 12:05:35,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated [2023-11-26 12:05:35,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 12:05:35,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:05:35 BoogieIcfgContainer [2023-11-26 12:05:35,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:05:35,995 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:05:35,995 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:05:35,995 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:05:35,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:24" (3/4) ... [2023-11-26 12:05:35,998 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:05:35,999 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:05:35,999 INFO L158 Benchmark]: Toolchain (without parser) took 12935.41ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 104.6MB in the beginning and 173.3MB in the end (delta: -68.8MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-26 12:05:36,000 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:05:36,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.45ms. Allocated memory is still 146.8MB. Free memory was 104.6MB in the beginning and 90.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:05:36,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.64ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 87.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 12:05:36,001 INFO L158 Benchmark]: Boogie Preprocessor took 98.68ms. Allocated memory is still 146.8MB. Free memory was 87.0MB in the beginning and 82.1MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 12:05:36,001 INFO L158 Benchmark]: RCFGBuilder took 943.57ms. Allocated memory is still 146.8MB. Free memory was 82.1MB in the beginning and 50.1MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-26 12:05:36,001 INFO L158 Benchmark]: TraceAbstraction took 11400.42ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 49.5MB in the beginning and 173.3MB in the end (delta: -123.9MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2023-11-26 12:05:36,002 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 232.8MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:05:36,007 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.45ms. Allocated memory is still 146.8MB. Free memory was 104.6MB in the beginning and 90.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.64ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 87.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.68ms. Allocated memory is still 146.8MB. Free memory was 87.0MB in the beginning and 82.1MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 943.57ms. Allocated memory is still 146.8MB. Free memory was 82.1MB in the beginning and 50.1MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11400.42ms. Allocated memory was 146.8MB in the beginning and 232.8MB in the end (delta: 86.0MB). Free memory was 49.5MB in the beginning and 173.3MB in the end (delta: -123.9MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 232.8MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 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~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 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 someBinaryFLOATComparisonOperation at line 79, overapproximation of shiftRight at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] double double_Array_0[1] = { 25.875 }; [L25-L27] double double_Array_0[1] = { 25.875 }; [L28-L30] float float_Array_0[2] = { 0.9, 15.125 }; [L28-L30] float float_Array_0[2] = { 0.9, 15.125 }; [L28-L30] float float_Array_0[2] = { 0.9, 15.125 }; [L31-L33] signed long int signed_long_int_Array_0[2] = { -4, 50 }; [L31-L33] signed long int signed_long_int_Array_0[2] = { -4, 50 }; [L31-L33] signed long int signed_long_int_Array_0[2] = { -4, 50 }; [L34-L36] signed short int signed_short_int_Array_0[3] = { 256, -64, 2 }; [L34-L36] signed short int signed_short_int_Array_0[3] = { 256, -64, 2 }; [L34-L36] signed short int signed_short_int_Array_0[3] = { 256, -64, 2 }; [L34-L36] signed short int signed_short_int_Array_0[3] = { 256, -64, 2 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 256, 50, 128 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 256, 50, 128 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 256, 50, 128 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 256, 50, 128 }; [L40] signed long int last_1_signed_long_int_Array_0_1_ = 50; [L41] signed short int last_1_signed_short_int_Array_0_2_ = 2; [L42] unsigned short int last_1_unsigned_short_int_Array_0_2_ = 128; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L95] EXPR signed_long_int_Array_0[1] [L95] last_1_signed_long_int_Array_0_1_ = signed_long_int_Array_0[1] [L96] EXPR signed_short_int_Array_0[2] [L96] last_1_signed_short_int_Array_0_2_ = signed_short_int_Array_0[2] [L97] EXPR unsigned_short_int_Array_0[2] [L97] last_1_unsigned_short_int_Array_0_2_ = unsigned_short_int_Array_0[2] [L107] RET updateLastVariables() [L108] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] 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}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] 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}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] float_Array_0[0] = __VERIFIER_nondet_float() [L79] EXPR float_Array_0[0] [L79] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L79] EXPR float_Array_0[0] [L79] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L81] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] RET assume_abort_if_not(signed_long_int_Array_0[0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] CALL assume_abort_if_not(signed_long_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] RET assume_abort_if_not(signed_long_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L85] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L88] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] RET assume_abort_if_not(signed_short_int_Array_0[1] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L91] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L108] RET updateVariables() [L109] CALL step() [L46] COND TRUE ! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_) [L47] EXPR signed_short_int_Array_0[1] [L47] EXPR signed_short_int_Array_0[0] [L47] signed_short_int_Array_0[2] = (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]) [L49] EXPR signed_short_int_Array_0[1] [L49] signed long int stepLocal_0 = 1 * signed_short_int_Array_0[1]; [L50] EXPR signed_short_int_Array_0[2] [L50] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L50] EXPR signed_short_int_Array_0[2] >> signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, stepLocal_0=-64, unsigned_short_int_Array_0={9:0}] [L50] COND TRUE (signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > stepLocal_0 [L51] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L51] EXPR (((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0) [L51] EXPR unsigned_short_int_Array_0[0] [L51] EXPR (((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, stepLocal_0=-64, unsigned_short_int_Array_0={9:0}] [L51] unsigned_short_int_Array_0[2] = (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))) [L55] EXPR float_Array_0[0] [L55] float_Array_0[1] = float_Array_0[0] [L56] EXPR float_Array_0[0] [L56] double_Array_0[0] = float_Array_0[0] [L57] EXPR unsigned_short_int_Array_0[0] [L57] unsigned_short_int_Array_0[1] = unsigned_short_int_Array_0[0] [L58] EXPR signed_short_int_Array_0[1] [L58] EXPR signed_long_int_Array_0[0] [L58] signed long int stepLocal_2 = signed_short_int_Array_0[1] / signed_long_int_Array_0[0]; [L59] EXPR unsigned_short_int_Array_0[0] [L59] unsigned short int stepLocal_1 = unsigned_short_int_Array_0[0]; [L60] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L60] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L63] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L63] COND FALSE !(unsigned_short_int_Array_0[1] > stepLocal_2) [L70] EXPR unsigned_short_int_Array_0[2] [L70] EXPR signed_short_int_Array_0[0] [L70] signed_long_int_Array_0[1] = (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0]) [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR (! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1 [L100] EXPR signed_short_int_Array_0[2] [L100] EXPR signed_short_int_Array_0[1] [L100] EXPR signed_short_int_Array_0[0] [L100] EXPR (! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) [L100] EXPR signed_short_int_Array_0[2] [L100] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR signed_short_int_Array_0[2] >> signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])) [L100] EXPR unsigned_short_int_Array_0[2] [L100] EXPR unsigned_short_int_Array_0[0] [L100] EXPR ((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR (((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR (((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR (((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0]))) && (double_Array_0[0] == ((double) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR (((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0]))) && (double_Array_0[0] == ((double) float_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0]))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] EXPR ((((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0]))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100-L101] return ((((((! (last_1_unsigned_short_int_Array_0_2_ <= last_1_signed_short_int_Array_0_2_)) ? (signed_short_int_Array_0[2] == ((signed short int) (signed_short_int_Array_0[1] + signed_short_int_Array_0[0]))) : 1) && (((signed_short_int_Array_0[2] >> signed_short_int_Array_0[0]) > (1 * signed_short_int_Array_0[1])) ? (unsigned_short_int_Array_0[2] == ((unsigned short int) (((((42286 - unsigned_short_int_Array_0[0])) > (0)) ? ((42286 - unsigned_short_int_Array_0[0])) : (0))))) : (unsigned_short_int_Array_0[2] == ((unsigned short int) unsigned_short_int_Array_0[0])))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) ((((unsigned_short_int_Array_0[2]) < (last_1_signed_long_int_Array_0_1_)) ? (unsigned_short_int_Array_0[2]) : (last_1_signed_long_int_Array_0_1_))))) : ((unsigned_short_int_Array_0[1] > (signed_short_int_Array_0[1] / signed_long_int_Array_0[0])) ? ((unsigned_short_int_Array_0[0] > unsigned_short_int_Array_0[2]) ? (signed_long_int_Array_0[1] == ((signed long int) ((((signed_short_int_Array_0[1]) < (100)) ? (signed_short_int_Array_0[1]) : (100))))) : (signed_long_int_Array_0[1] == ((signed long int) (last_1_signed_long_int_Array_0_1_ - unsigned_short_int_Array_0[0])))) : (signed_long_int_Array_0[1] == ((signed long int) (unsigned_short_int_Array_0[2] + signed_short_int_Array_0[0])))))) && (float_Array_0[1] == ((float) float_Array_0[0]))) && (double_Array_0[0] == ((double) float_Array_0[0]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[0])) ; [L110] RET, EXPR property() [L110] 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}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_1_=50, last_1_signed_short_int_Array_0_2_=2, last_1_unsigned_short_int_Array_0_2_=128, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.1s, OverallIterations: 9, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 727 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 726 mSDsluCounter, 3214 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2171 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 450 IncrementalHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 1043 mSDtfsCounter, 450 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1004 GetRequests, 947 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=357occurred in iteration=8, InterpolantAutomatonStates: 44, 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, 8 MinimizatonAttempts, 298 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1103 NumberOfCodeBlocks, 1103 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 992 ConstructedInterpolants, 0 QuantifiedInterpolants, 4648 SizeOfPredicates, 35 NumberOfNonLiveVariables, 3266 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 2556/2640 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 [2023-11-26 12:05:36,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme --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 60e0d367a188d63fa8b46fcc4be9e9d24b19690e82d361011ef9ebf2c61f53ca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:05:38,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:05:38,978 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 12:05:38,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:05:38,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:05:39,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:05:39,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:05:39,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:05:39,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:05:39,044 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:05:39,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:05:39,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:05:39,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:05:39,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:05:39,049 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:05:39,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:05:39,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:05:39,051 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:05:39,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:05:39,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:05:39,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:05:39,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:05:39,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:05:39,054 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:05:39,055 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:05:39,055 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:05:39,055 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:05:39,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:05:39,056 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:05:39,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:05:39,058 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:05:39,059 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:05:39,059 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:05:39,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:39,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:05:39,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:05:39,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:05:39,061 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:05:39,062 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:05:39,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:05:39,062 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:05:39,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:05:39,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:05:39,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:05:39,064 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:05:39,064 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_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60e0d367a188d63fa8b46fcc4be9e9d24b19690e82d361011ef9ebf2c61f53ca [2023-11-26 12:05:39,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:05:39,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:05:39,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:05:39,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:05:39,552 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:05:39,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i [2023-11-26 12:05:42,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:05:43,113 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:05:43,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i [2023-11-26 12:05:43,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/data/f48dd8a9a/de716178092e496dbd47b94c7db4cac9/FLAGa963c5050 [2023-11-26 12:05:43,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/data/f48dd8a9a/de716178092e496dbd47b94c7db4cac9 [2023-11-26 12:05:43,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:05:43,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:05:43,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:43,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:05:43,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:05:43,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621a5f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43, skipping insertion in model container [2023-11-26 12:05:43,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,200 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:05:43,388 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_2aa00d27-4700-413c-9385-71abf50cc0b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i[916,929] [2023-11-26 12:05:43,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:43,465 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:05:43,480 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_2aa00d27-4700-413c-9385-71abf50cc0b8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-67.i[916,929] [2023-11-26 12:05:43,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:05:43,567 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:05:43,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43 WrapperNode [2023-11-26 12:05:43,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:05:43,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:43,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:05:43,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:05:43,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,678 INFO L138 Inliner]: procedures = 39, calls = 135, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 345 [2023-11-26 12:05:43,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:05:43,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:05:43,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:05:43,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:05:43,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,726 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,752 INFO L175 MemorySlicer]: Split 106 memory accesses to 7 slices as follows [2, 6, 3, 13, 17, 30, 35]. 33 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 2, 2, 3, 3]. The 16 writes are split as follows [0, 1, 1, 2, 5, 3, 4]. [2023-11-26 12:05:43,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:05:43,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:05:43,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:05:43,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:05:43,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (1/1) ... [2023-11-26 12:05:43,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:05:43,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:05:43,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:05:43,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:05:43,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:05:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-26 12:05:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-26 12:05:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2023-11-26 12:05:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2023-11-26 12:05:43,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2023-11-26 12:05:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2023-11-26 12:05:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2023-11-26 12:05:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-26 12:05:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-26 12:05:43,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2023-11-26 12:05:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2023-11-26 12:05:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2023-11-26 12:05:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2023-11-26 12:05:43,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2023-11-26 12:05:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 12:05:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 12:05:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2023-11-26 12:05:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2023-11-26 12:05:43,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2023-11-26 12:05:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2023-11-26 12:05:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2023-11-26 12:05:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-26 12:05:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-26 12:05:43,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2023-11-26 12:05:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2023-11-26 12:05:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2023-11-26 12:05:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2023-11-26 12:05:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2023-11-26 12:05:43,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:05:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 12:05:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-26 12:05:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-26 12:05:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-26 12:05:43,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-26 12:05:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-26 12:05:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-26 12:05:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-26 12:05:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-26 12:05:43,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-26 12:05:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-26 12:05:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-26 12:05:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-26 12:05:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-26 12:05:43,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-26 12:05:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2023-11-26 12:05:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2023-11-26 12:05:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2023-11-26 12:05:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2023-11-26 12:05:43,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2023-11-26 12:05:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-26 12:05:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-26 12:05:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2023-11-26 12:05:43,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2023-11-26 12:05:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2023-11-26 12:05:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2023-11-26 12:05:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2023-11-26 12:05:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 12:05:43,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 12:05:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-26 12:05:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-26 12:05:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-26 12:05:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-26 12:05:43,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-26 12:05:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-26 12:05:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-26 12:05:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-26 12:05:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-26 12:05:43,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-26 12:05:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-11-26 12:05:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-11-26 12:05:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-26 12:05:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-26 12:05:43,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2023-11-26 12:05:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2023-11-26 12:05:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2023-11-26 12:05:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2023-11-26 12:05:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2023-11-26 12:05:43,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-26 12:05:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-26 12:05:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2023-11-26 12:05:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2023-11-26 12:05:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2023-11-26 12:05:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2023-11-26 12:05:43,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2023-11-26 12:05:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:05:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:05:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:05:43,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:05:43,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-26 12:05:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-26 12:05:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2023-11-26 12:05:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2023-11-26 12:05:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2023-11-26 12:05:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2023-11-26 12:05:43,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2023-11-26 12:05:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-26 12:05:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-26 12:05:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2023-11-26 12:05:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2023-11-26 12:05:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2023-11-26 12:05:43,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2023-11-26 12:05:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2023-11-26 12:05:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 12:05:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 12:05:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-26 12:05:43,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-26 12:05:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-26 12:05:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-26 12:05:43,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-26 12:05:44,211 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:05:44,214 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:05:45,357 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:05:45,415 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:05:45,418 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:05:45,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:45 BoogieIcfgContainer [2023-11-26 12:05:45,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:05:45,423 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:05:45,424 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:05:45,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:05:45,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:05:43" (1/3) ... [2023-11-26 12:05:45,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e32b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:45, skipping insertion in model container [2023-11-26 12:05:45,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:05:43" (2/3) ... [2023-11-26 12:05:45,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e32b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:05:45, skipping insertion in model container [2023-11-26 12:05:45,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:05:45" (3/3) ... [2023-11-26 12:05:45,433 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-67.i [2023-11-26 12:05:45,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:05:45,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:05:45,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:05:45,503 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;@5875330d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:05:45,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:05:45,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 67 states have internal predecessors, (95), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 12:05:45,534 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:45,535 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:45,536 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:45,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:45,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1500353849, now seen corresponding path program 1 times [2023-11-26 12:05:45,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:05:45,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725582914] [2023-11-26 12:05:45,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:45,560 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 [2023-11-26 12:05:45,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:05:45,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:05:45,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:05:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:45,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:05:46,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:46,068 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-26 12:05:46,070 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:46,071 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:05:46,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725582914] [2023-11-26 12:05:46,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725582914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:46,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:46,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:05:46,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141341096] [2023-11-26 12:05:46,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:46,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:05:46,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:05:46,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:05:46,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:05:46,122 INFO L87 Difference]: Start difference. First operand has 81 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 67 states have internal predecessors, (95), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 12:05:46,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:46,177 INFO L93 Difference]: Finished difference Result 159 states and 248 transitions. [2023-11-26 12:05:46,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:05:46,180 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2023-11-26 12:05:46,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:46,189 INFO L225 Difference]: With dead ends: 159 [2023-11-26 12:05:46,190 INFO L226 Difference]: Without dead ends: 79 [2023-11-26 12:05:46,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:05:46,198 INFO L413 NwaCegarLoop]: 110 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, 110 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 [2023-11-26 12:05:46,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:05:46,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-26 12:05:46,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-26 12:05:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 65 states have internal predecessors, (90), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:46,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2023-11-26 12:05:46,250 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 98 [2023-11-26 12:05:46,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:46,251 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2023-11-26 12:05:46,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 12:05:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2023-11-26 12:05:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 12:05:46,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:46,258 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:46,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:05:46,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:05:46,467 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:46,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:46,468 INFO L85 PathProgramCache]: Analyzing trace with hash -63143223, now seen corresponding path program 1 times [2023-11-26 12:05:46,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:05:46,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720920864] [2023-11-26 12:05:46,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:46,470 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 [2023-11-26 12:05:46,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:05:46,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:05:46,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:05:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:46,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:05:46,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:46,981 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-11-26 12:05:46,981 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:46,981 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:05:46,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720920864] [2023-11-26 12:05:46,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720920864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:46,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:46,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:05:46,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501408454] [2023-11-26 12:05:46,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:46,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:46,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:05:46,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:46,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:46,987 INFO L87 Difference]: Start difference. First operand 79 states and 114 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 12:05:47,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:47,084 INFO L93 Difference]: Finished difference Result 163 states and 236 transitions. [2023-11-26 12:05:47,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:05:47,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2023-11-26 12:05:47,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:47,087 INFO L225 Difference]: With dead ends: 163 [2023-11-26 12:05:47,087 INFO L226 Difference]: Without dead ends: 85 [2023-11-26 12:05:47,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:47,090 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 10 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:47,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 322 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:47,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-26 12:05:47,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2023-11-26 12:05:47,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 116 transitions. [2023-11-26 12:05:47,111 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 116 transitions. Word has length 98 [2023-11-26 12:05:47,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:47,111 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 116 transitions. [2023-11-26 12:05:47,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 12:05:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2023-11-26 12:05:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 12:05:47,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:47,114 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:47,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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)] Ended with exit code 0 [2023-11-26 12:05:47,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:05:47,323 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:47,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:47,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1815987723, now seen corresponding path program 1 times [2023-11-26 12:05:47,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:05:47,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328475941] [2023-11-26 12:05:47,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:47,326 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 [2023-11-26 12:05:47,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:05:47,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:05:47,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (4)] Waiting until timeout for monitored process [2023-11-26 12:05:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:47,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:05:47,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:47,751 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:05:47,751 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:47,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:05:47,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328475941] [2023-11-26 12:05:47,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328475941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:47,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:47,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:05:47,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117440521] [2023-11-26 12:05:47,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:47,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:05:47,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:05:47,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:05:47,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:47,755 INFO L87 Difference]: Start difference. First operand 81 states and 116 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:47,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:47,879 INFO L93 Difference]: Finished difference Result 182 states and 261 transitions. [2023-11-26 12:05:47,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:05:47,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-26 12:05:47,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:47,882 INFO L225 Difference]: With dead ends: 182 [2023-11-26 12:05:47,882 INFO L226 Difference]: Without dead ends: 102 [2023-11-26 12:05:47,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:05:47,885 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 46 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:47,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 418 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:05:47,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-26 12:05:47,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 85. [2023-11-26 12:05:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 71 states have (on average 1.352112676056338) internal successors, (96), 71 states have internal predecessors, (96), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:47,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2023-11-26 12:05:47,898 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 98 [2023-11-26 12:05:47,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:47,899 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2023-11-26 12:05:47,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:47,900 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2023-11-26 12:05:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 12:05:47,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:47,902 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:47,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:48,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:05:48,111 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:48,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:48,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1006641097, now seen corresponding path program 1 times [2023-11-26 12:05:48,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:05:48,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523694008] [2023-11-26 12:05:48,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:48,113 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 [2023-11-26 12:05:48,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:05:48,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:05:48,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (5)] Waiting until timeout for monitored process [2023-11-26 12:05:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:48,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:05:48,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:48,613 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:05:48,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:48,616 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:05:48,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523694008] [2023-11-26 12:05:48,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523694008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:48,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:48,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 12:05:48,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855096554] [2023-11-26 12:05:48,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:48,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:05:48,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:05:48,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:05:48,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:05:48,625 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:48,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:48,907 INFO L93 Difference]: Finished difference Result 189 states and 266 transitions. [2023-11-26 12:05:48,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 12:05:48,908 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-26 12:05:48,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:48,910 INFO L225 Difference]: With dead ends: 189 [2023-11-26 12:05:48,910 INFO L226 Difference]: Without dead ends: 105 [2023-11-26 12:05:48,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-26 12:05:48,913 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 49 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:48,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 516 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:05:48,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-26 12:05:48,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 87. [2023-11-26 12:05:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 73 states have internal predecessors, (98), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:48,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2023-11-26 12:05:48,925 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 98 [2023-11-26 12:05:48,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:48,926 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2023-11-26 12:05:48,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:48,927 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2023-11-26 12:05:48,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 12:05:48,936 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:48,936 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:48,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:49,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:05:49,145 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:49,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:49,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1063899399, now seen corresponding path program 1 times [2023-11-26 12:05:49,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:05:49,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953808764] [2023-11-26 12:05:49,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:49,147 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 [2023-11-26 12:05:49,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:05:49,148 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:05:49,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (6)] Waiting until timeout for monitored process [2023-11-26 12:05:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:49,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:05:49,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:05:49,580 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:49,580 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:05:49,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953808764] [2023-11-26 12:05:49,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [953808764] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:49,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:49,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:05:49,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746979051] [2023-11-26 12:05:49,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:49,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:49,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:05:49,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:49,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:05:49,584 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:49,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:49,945 INFO L93 Difference]: Finished difference Result 192 states and 266 transitions. [2023-11-26 12:05:49,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-26 12:05:49,947 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-26 12:05:49,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:49,949 INFO L225 Difference]: With dead ends: 192 [2023-11-26 12:05:49,950 INFO L226 Difference]: Without dead ends: 106 [2023-11-26 12:05:49,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-26 12:05:49,952 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 40 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:49,952 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 608 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:05:49,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-26 12:05:49,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 89. [2023-11-26 12:05:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 75 states have (on average 1.3333333333333333) internal successors, (100), 75 states have internal predecessors, (100), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 12:05:49,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 124 transitions. [2023-11-26 12:05:49,963 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 124 transitions. Word has length 98 [2023-11-26 12:05:49,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:49,964 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 124 transitions. [2023-11-26 12:05:49,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:49,965 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2023-11-26 12:05:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 12:05:49,967 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:49,967 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:49,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:50,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:05:50,176 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:50,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:50,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1063958981, now seen corresponding path program 1 times [2023-11-26 12:05:50,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:05:50,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1314743960] [2023-11-26 12:05:50,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:50,177 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 [2023-11-26 12:05:50,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:05:50,179 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:05:50,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (7)] Waiting until timeout for monitored process [2023-11-26 12:05:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:50,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-26 12:05:50,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:50,754 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 12 treesize of output 8 [2023-11-26 12:05:50,851 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 23 treesize of output 22 [2023-11-26 12:05:51,217 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:51,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 50 treesize of output 42 [2023-11-26 12:05:51,512 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:51,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 114 treesize of output 56 [2023-11-26 12:05:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-26 12:05:51,559 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:51,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:05:51,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1314743960] [2023-11-26 12:05:51,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1314743960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:51,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:51,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:05:51,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640985119] [2023-11-26 12:05:51,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:51,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:05:51,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:05:51,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:05:51,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:05:51,563 INFO L87 Difference]: Start difference. First operand 89 states and 124 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-26 12:05:52,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:52,592 INFO L93 Difference]: Finished difference Result 281 states and 391 transitions. [2023-11-26 12:05:52,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:05:52,593 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 98 [2023-11-26 12:05:52,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:52,596 INFO L225 Difference]: With dead ends: 281 [2023-11-26 12:05:52,596 INFO L226 Difference]: Without dead ends: 193 [2023-11-26 12:05:52,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2023-11-26 12:05:52,597 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 425 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:52,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 478 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-26 12:05:52,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2023-11-26 12:05:52,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 161. [2023-11-26 12:05:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 140 states have (on average 1.3428571428571427) internal successors, (188), 141 states have internal predecessors, (188), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 12:05:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 224 transitions. [2023-11-26 12:05:52,627 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 224 transitions. Word has length 98 [2023-11-26 12:05:52,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:52,628 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 224 transitions. [2023-11-26 12:05:52,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-26 12:05:52,628 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 224 transitions. [2023-11-26 12:05:52,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 12:05:52,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:52,630 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:52,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (7)] Ended with exit code 0 [2023-11-26 12:05:52,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:05:52,840 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:52,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:52,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1486660807, now seen corresponding path program 1 times [2023-11-26 12:05:52,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:05:52,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962410333] [2023-11-26 12:05:52,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:52,841 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 [2023-11-26 12:05:52,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:05:52,842 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:05:52,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (8)] Waiting until timeout for monitored process [2023-11-26 12:05:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:53,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 12:05:53,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:53,224 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 [2023-11-26 12:05:53,235 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 [2023-11-26 12:05:53,857 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:05:53,857 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:05:53,857 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:05:53,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962410333] [2023-11-26 12:05:53,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962410333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:05:53,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:05:53,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 12:05:53,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968237575] [2023-11-26 12:05:53,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:05:53,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:05:53,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:05:53,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:05:53,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:05:53,859 INFO L87 Difference]: Start difference. First operand 161 states and 224 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:54,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:05:54,459 INFO L93 Difference]: Finished difference Result 408 states and 568 transitions. [2023-11-26 12:05:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:05:54,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-26 12:05:54,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:05:54,463 INFO L225 Difference]: With dead ends: 408 [2023-11-26 12:05:54,464 INFO L226 Difference]: Without dead ends: 248 [2023-11-26 12:05:54,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:05:54,465 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 88 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:05:54,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 283 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 12:05:54,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2023-11-26 12:05:54,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 212. [2023-11-26 12:05:54,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 178 states have (on average 1.3258426966292134) internal successors, (236), 179 states have internal predecessors, (236), 30 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-11-26 12:05:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 296 transitions. [2023-11-26 12:05:54,503 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 296 transitions. Word has length 98 [2023-11-26 12:05:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:05:54,504 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 296 transitions. [2023-11-26 12:05:54,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:05:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 296 transitions. [2023-11-26 12:05:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-26 12:05:54,506 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:05:54,506 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:05:54,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:05:54,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:05:54,719 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:05:54,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:05:54,720 INFO L85 PathProgramCache]: Analyzing trace with hash -2038388077, now seen corresponding path program 1 times [2023-11-26 12:05:54,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:05:54,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780305506] [2023-11-26 12:05:54,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:05:54,721 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 [2023-11-26 12:05:54,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:05:54,722 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:05:54,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (9)] Waiting until timeout for monitored process [2023-11-26 12:05:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:05:55,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-26 12:05:55,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:05:55,504 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 8 treesize of output 1 [2023-11-26 12:05:56,048 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 8 treesize of output 1 [2023-11-26 12:05:56,698 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:56,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 54 treesize of output 44 [2023-11-26 12:05:56,932 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 24 [2023-11-26 12:05:57,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:57,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 44 treesize of output 38 [2023-11-26 12:05:57,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:05:57,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 33 [2023-11-26 12:05:57,218 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 20 treesize of output 12 [2023-11-26 12:06:01,478 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:06:01,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 45 [2023-11-26 12:06:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 197 proven. 15 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-26 12:06:02,162 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:06:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:06:04,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:06:04,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780305506] [2023-11-26 12:06:04,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780305506] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:06:04,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:06:04,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [26] total 31 [2023-11-26 12:06:04,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964685386] [2023-11-26 12:06:04,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:04,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-26 12:06:04,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:06:04,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 12:06:04,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=805, Unknown=0, NotChecked=0, Total=930 [2023-11-26 12:06:04,876 INFO L87 Difference]: Start difference. First operand 212 states and 296 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:06:08,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:06:08,637 INFO L93 Difference]: Finished difference Result 581 states and 806 transitions. [2023-11-26 12:06:08,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 12:06:08,638 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2023-11-26 12:06:08,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:06:08,643 INFO L225 Difference]: With dead ends: 581 [2023-11-26 12:06:08,643 INFO L226 Difference]: Without dead ends: 421 [2023-11-26 12:06:08,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=160, Invalid=1030, Unknown=0, NotChecked=0, Total=1190 [2023-11-26 12:06:08,646 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 503 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-26 12:06:08,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 738 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-26 12:06:08,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-11-26 12:06:08,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 376. [2023-11-26 12:06:08,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 323 states have (on average 1.328173374613003) internal successors, (429), 326 states have internal predecessors, (429), 46 states have call successors, (46), 6 states have call predecessors, (46), 6 states have return successors, (46), 43 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-26 12:06:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 521 transitions. [2023-11-26 12:06:08,692 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 521 transitions. Word has length 100 [2023-11-26 12:06:08,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:06:08,693 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 521 transitions. [2023-11-26 12:06:08,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 12:06:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 521 transitions. [2023-11-26 12:06:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-26 12:06:08,695 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:06:08,695 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:06:08,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:06:08,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:06:08,905 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:06:08,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:06:08,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1762599822, now seen corresponding path program 1 times [2023-11-26 12:06:08,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:06:08,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [534008805] [2023-11-26 12:06:08,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:06:08,906 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 [2023-11-26 12:06:08,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:06:08,907 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:06:08,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aa00d27-4700-413c-9385-71abf50cc0b8/bin/uautomizer-verify-VRDe98Ueme/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 (10)] Waiting until timeout for monitored process [2023-11-26 12:06:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:06:09,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-26 12:06:09,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:06:09,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:06:09,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 38 [2023-11-26 12:06:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 12:06:09,949 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:06:09,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:06:09,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [534008805] [2023-11-26 12:06:09,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [534008805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:06:09,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:06:09,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:06:09,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822036944] [2023-11-26 12:06:09,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:06:09,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:06:09,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:06:09,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:06:09,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:06:09,957 INFO L87 Difference]: Start difference. First operand 376 states and 521 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)