./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 2b982617b4eafec7cbb1a277d4cd75e5591003436ed1218fbd6f7cc65704fea2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:53:15,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:53:15,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:53:15,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:53:15,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:53:15,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:53:15,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:53:15,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:53:15,241 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:53:15,246 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:53:15,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:53:15,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:53:15,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:53:15,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:53:15,251 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:53:15,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:53:15,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:53:15,252 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:53:15,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:53:15,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:53:15,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:53:15,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:53:15,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:53:15,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:53:15,257 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:53:15,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:53:15,258 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:53:15,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:53:15,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:53:15,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:53:15,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:53:15,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:53:15,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:53:15,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:53:15,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:53:15,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:53:15,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:53:15,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:53:15,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:53:15,291 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:53:15,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:53:15,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:53:15,292 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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b982617b4eafec7cbb1a277d4cd75e5591003436ed1218fbd6f7cc65704fea2 [2023-11-26 11:53:15,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:53:15,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:53:15,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:53:15,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:53:15,704 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:53:15,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.i [2023-11-26 11:53:18,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:53:19,039 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:53:19,040 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.i [2023-11-26 11:53:19,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/data/8c4c4daad/86a3e23f12cd47779de2c37759ed4090/FLAG53350ea29 [2023-11-26 11:53:19,064 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/data/8c4c4daad/86a3e23f12cd47779de2c37759ed4090 [2023-11-26 11:53:19,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:53:19,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:53:19,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:19,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:53:19,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:53:19,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7922588d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19, skipping insertion in model container [2023-11-26 11:53:19,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:53:19,293 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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.i[916,929] [2023-11-26 11:53:19,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:19,396 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:53:19,417 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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.i[916,929] [2023-11-26 11:53:19,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:19,517 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:53:19,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19 WrapperNode [2023-11-26 11:53:19,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:19,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:19,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:53:19,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:53:19,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,612 INFO L138 Inliner]: procedures = 29, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 391 [2023-11-26 11:53:19,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:19,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:53:19,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:53:19,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:53:19,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,650 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,684 INFO L175 MemorySlicer]: Split 115 memory accesses to 2 slices as follows [2, 113]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 12 writes are split as follows [0, 12]. [2023-11-26 11:53:19,692 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:53:19,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:53:19,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:53:19,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:53:19,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (1/1) ... [2023-11-26 11:53:19,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:53:19,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:19,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:19,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:53:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:53:19,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 11:53:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 11:53:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:53:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:53:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-26 11:53:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-26 11:53:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:53:19,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:53:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-26 11:53:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-26 11:53:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:53:19,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:53:19,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:53:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:53:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:53:19,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:53:20,072 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:53:20,078 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:53:20,573 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:53:20,617 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:53:20,630 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:53:20,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:20 BoogieIcfgContainer [2023-11-26 11:53:20,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:53:20,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:53:20,633 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:53:20,636 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:53:20,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:53:19" (1/3) ... [2023-11-26 11:53:20,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd080d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:53:20, skipping insertion in model container [2023-11-26 11:53:20,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:19" (2/3) ... [2023-11-26 11:53:20,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd080d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:53:20, skipping insertion in model container [2023-11-26 11:53:20,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:20" (3/3) ... [2023-11-26 11:53:20,642 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-47.i [2023-11-26 11:53:20,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:53:20,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:53:20,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:53:20,736 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;@a8f5978, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:53:20,737 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:53:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 78 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:53:20,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:20,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:20,758 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:20,759 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:20,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:20,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1467365147, now seen corresponding path program 1 times [2023-11-26 11:53:20,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:20,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118156505] [2023-11-26 11:53:20,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:20,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:53:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 11:53:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 11:53:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 11:53:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:53:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:53:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 11:53:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 11:53:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-26 11:53:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,243 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:53:21,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:21,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118156505] [2023-11-26 11:53:21,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118156505] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:21,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:21,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:21,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435407821] [2023-11-26 11:53:21,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:21,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:53:21,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:21,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:53:21,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:53:21,290 INFO L87 Difference]: Start difference. First operand has 89 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 78 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 11:53:21,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:21,335 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-11-26 11:53:21,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:53:21,337 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2023-11-26 11:53:21,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:21,347 INFO L225 Difference]: With dead ends: 175 [2023-11-26 11:53:21,347 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 11:53:21,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 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 11:53:21,354 INFO L413 NwaCegarLoop]: 125 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, 125 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 11:53:21,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:53:21,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 11:53:21,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-26 11:53:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 76 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:53:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 129 transitions. [2023-11-26 11:53:21,404 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 129 transitions. Word has length 79 [2023-11-26 11:53:21,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:21,404 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 129 transitions. [2023-11-26 11:53:21,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 11:53:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2023-11-26 11:53:21,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:21,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:21,410 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:21,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:53:21,411 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:21,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:21,412 INFO L85 PathProgramCache]: Analyzing trace with hash 636971667, now seen corresponding path program 1 times [2023-11-26 11:53:21,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:21,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107991204] [2023-11-26 11:53:21,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:21,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:53:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 11:53:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 11:53:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 11:53:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:53:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:53:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 11:53:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 11:53:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-26 11:53:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:21,724 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:53:21,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:21,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107991204] [2023-11-26 11:53:21,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107991204] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:21,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:21,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:53:21,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439278680] [2023-11-26 11:53:21,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:21,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:21,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:21,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:21,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:21,741 INFO L87 Difference]: Start difference. First operand 87 states and 129 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:21,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:21,802 INFO L93 Difference]: Finished difference Result 174 states and 259 transitions. [2023-11-26 11:53:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:21,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-26 11:53:21,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:21,808 INFO L225 Difference]: With dead ends: 174 [2023-11-26 11:53:21,809 INFO L226 Difference]: Without dead ends: 88 [2023-11-26 11:53:21,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 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 11:53:21,813 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:21,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:53:21,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-26 11:53:21,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-26 11:53:21,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 77 states have (on average 1.4545454545454546) internal successors, (112), 77 states have internal predecessors, (112), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:53:21,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 130 transitions. [2023-11-26 11:53:21,833 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 130 transitions. Word has length 79 [2023-11-26 11:53:21,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:21,835 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 130 transitions. [2023-11-26 11:53:21,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:21,836 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2023-11-26 11:53:21,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:21,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:21,846 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:21,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:53:21,847 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:21,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:21,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1357173039, now seen corresponding path program 1 times [2023-11-26 11:53:21,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:21,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077307033] [2023-11-26 11:53:21,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:21,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:53:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 11:53:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 11:53:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 11:53:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:53:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:53:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 11:53:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 11:53:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-26 11:53:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,142 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:53:22,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:22,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077307033] [2023-11-26 11:53:22,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077307033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:22,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:22,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:53:22,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278261665] [2023-11-26 11:53:22,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:22,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:53:22,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:22,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:53:22,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:53:22,146 INFO L87 Difference]: Start difference. First operand 88 states and 130 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:22,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:22,228 INFO L93 Difference]: Finished difference Result 201 states and 298 transitions. [2023-11-26 11:53:22,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:53:22,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-26 11:53:22,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:22,230 INFO L225 Difference]: With dead ends: 201 [2023-11-26 11:53:22,231 INFO L226 Difference]: Without dead ends: 114 [2023-11-26 11:53:22,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:53:22,233 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 90 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:22,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 523 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:53:22,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-26 11:53:22,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 91. [2023-11-26 11:53:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.4375) internal successors, (115), 80 states have internal predecessors, (115), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:53:22,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 133 transitions. [2023-11-26 11:53:22,245 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 133 transitions. Word has length 79 [2023-11-26 11:53:22,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:22,246 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 133 transitions. [2023-11-26 11:53:22,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:22,246 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2023-11-26 11:53:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:22,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:22,249 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:22,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:53:22,249 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:22,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:22,250 INFO L85 PathProgramCache]: Analyzing trace with hash -754228705, now seen corresponding path program 1 times [2023-11-26 11:53:22,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:22,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045094403] [2023-11-26 11:53:22,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:22,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:53:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-26 11:53:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-26 11:53:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-26 11:53:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:53:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:53:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 11:53:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-26 11:53:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-26 11:53:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:53:22,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:22,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045094403] [2023-11-26 11:53:22,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045094403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:22,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:22,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:53:22,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474009102] [2023-11-26 11:53:22,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:22,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:53:22,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:22,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:53:22,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:53:22,547 INFO L87 Difference]: Start difference. First operand 91 states and 133 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:22,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:22,613 INFO L93 Difference]: Finished difference Result 185 states and 270 transitions. [2023-11-26 11:53:22,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:53:22,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-26 11:53:22,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:22,619 INFO L225 Difference]: With dead ends: 185 [2023-11-26 11:53:22,620 INFO L226 Difference]: Without dead ends: 95 [2023-11-26 11:53:22,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 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 11:53:22,628 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 3 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 363 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 11:53:22,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 363 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:53:22,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-26 11:53:22,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2023-11-26 11:53:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 82 states have (on average 1.4268292682926829) internal successors, (117), 82 states have internal predecessors, (117), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:53:22,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2023-11-26 11:53:22,647 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 79 [2023-11-26 11:53:22,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:22,648 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2023-11-26 11:53:22,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:22,648 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-11-26 11:53:22,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:22,651 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:22,651 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:22,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:53:22,652 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:22,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:22,652 INFO L85 PathProgramCache]: Analyzing trace with hash -754169123, now seen corresponding path program 1 times [2023-11-26 11:53:22,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:22,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588442534] [2023-11-26 11:53:22,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:22,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:22,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:53:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:53:22,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:53:22,921 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:53:22,922 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:53:22,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:53:22,931 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-26 11:53:22,935 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:53:22,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 11:53:22,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 11:53:22,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 11:53:22,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 11:53:22,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 11:53:22,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-26 11:53:22,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-26 11:53:22,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 11:53:22,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-26 11:53:22,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 11:53:22,994 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-26 11:53:22,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-26 11:53:22,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-26 11:53:22,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 11:53:23,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 11:53:23,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 11:53:23,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 11:53:23,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-26 11:53:23,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 11:53:23,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:53:23,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-26 11:53:23,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-26 11:53:23,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-26 11:53:23,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-26 11:53:23,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 11:53:23,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 11:53:23,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 11:53:23,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-26 11:53:23,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated [2023-11-26 11:53:23,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 11:53:23,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated [2023-11-26 11:53:23,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-26 11:53:23,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 11:53:23,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 11:53:23,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-26 11:53:23,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-26 11:53:23,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated [2023-11-26 11:53:23,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-26 11:53:23,022 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated [2023-11-26 11:53:23,023 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 11:53:23,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-26 11:53:23,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated [2023-11-26 11:53:23,024 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-26 11:53:23,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 11:53:23,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 11:53:23,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated [2023-11-26 11:53:23,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 11:53:23,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated [2023-11-26 11:53:23,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-26 11:53:23,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-26 11:53:23,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated [2023-11-26 11:53:23,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 11:53:23,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-26 11:53:23,028 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated [2023-11-26 11:53:23,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 11:53:23,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-26 11:53:23,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated [2023-11-26 11:53:23,029 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-26 11:53:23,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-26 11:53:23,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-26 11:53:23,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-26 11:53:23,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 11:53:23,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 11:53:23,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated [2023-11-26 11:53:23,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated [2023-11-26 11:53:23,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 11:53:23,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated [2023-11-26 11:53:23,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:53:23 BoogieIcfgContainer [2023-11-26 11:53:23,062 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:53:23,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:53:23,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:53:23,063 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:53:23,064 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:20" (3/4) ... [2023-11-26 11:53:23,066 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:53:23,067 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:53:23,068 INFO L158 Benchmark]: Toolchain (without parser) took 3999.84ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 147.6MB in the beginning and 141.1MB in the end (delta: 6.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-26 11:53:23,068 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 102.6MB in the beginning and 102.5MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:53:23,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.73ms. Allocated memory is still 178.3MB. Free memory was 147.4MB in the beginning and 137.5MB in the end (delta: 9.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-11-26 11:53:23,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.65ms. Allocated memory is still 178.3MB. Free memory was 137.5MB in the beginning and 134.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:53:23,073 INFO L158 Benchmark]: Boogie Preprocessor took 112.20ms. Allocated memory is still 178.3MB. Free memory was 134.0MB in the beginning and 129.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:53:23,074 INFO L158 Benchmark]: RCFGBuilder took 902.46ms. Allocated memory is still 178.3MB. Free memory was 129.8MB in the beginning and 124.1MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:53:23,074 INFO L158 Benchmark]: TraceAbstraction took 2429.33ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 123.5MB in the beginning and 142.2MB in the end (delta: -18.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-26 11:53:23,076 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 213.9MB. Free memory was 142.2MB in the beginning and 141.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:53:23,080 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory was 102.6MB in the beginning and 102.5MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.73ms. Allocated memory is still 178.3MB. Free memory was 147.4MB in the beginning and 137.5MB in the end (delta: 9.9MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.65ms. Allocated memory is still 178.3MB. Free memory was 137.5MB in the beginning and 134.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.20ms. Allocated memory is still 178.3MB. Free memory was 134.0MB in the beginning and 129.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 902.46ms. Allocated memory is still 178.3MB. Free memory was 129.8MB in the beginning and 124.1MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2429.33ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 123.5MB in the beginning and 142.2MB in the end (delta: -18.7MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 213.9MB. Free memory was 142.2MB in the beginning and 141.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 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~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 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~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 24.575, 3.5, 16, 16, 4, 8, 1, 1, 3.8 }; [L45] signed long int last_1_WrapperStruct0_var_1_12 = 8; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] EXPR WrapperStruct0.var_1_12 [L92] last_1_WrapperStruct0_var_1_12 = WrapperStruct0.var_1_12 [L102] RET updateLastVariables() [L103] CALL updateVariables() [L76] WrapperStruct0.var_1_8 = __VERIFIER_nondet_double() [L77] EXPR WrapperStruct0.var_1_8 [L77] EXPR WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L77] EXPR WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F [L77] EXPR WrapperStruct0.var_1_8 [L77] EXPR WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L77] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L77] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L77] CALL assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L77] RET assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854765600e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854765600e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L78] WrapperStruct0.var_1_10 = __VERIFIER_nondet_char() [L79] EXPR WrapperStruct0.var_1_10 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L79] CALL assume_abort_if_not(WrapperStruct0.var_1_10 >= -63) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L79] RET assume_abort_if_not(WrapperStruct0.var_1_10 >= -63) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L80] EXPR WrapperStruct0.var_1_10 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L80] CALL assume_abort_if_not(WrapperStruct0.var_1_10 <= 63) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L80] RET assume_abort_if_not(WrapperStruct0.var_1_10 <= 63) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L81] WrapperStruct0.var_1_11 = __VERIFIER_nondet_char() [L82] EXPR WrapperStruct0.var_1_11 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L82] CALL assume_abort_if_not(WrapperStruct0.var_1_11 >= -63) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L82] RET assume_abort_if_not(WrapperStruct0.var_1_11 >= -63) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L83] EXPR WrapperStruct0.var_1_11 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L83] CALL assume_abort_if_not(WrapperStruct0.var_1_11 <= 63) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L83] RET assume_abort_if_not(WrapperStruct0.var_1_11 <= 63) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L84] WrapperStruct0.var_1_13 = __VERIFIER_nondet_uchar() [L85] EXPR WrapperStruct0.var_1_13 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L85] CALL assume_abort_if_not(WrapperStruct0.var_1_13 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L85] RET assume_abort_if_not(WrapperStruct0.var_1_13 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L86] EXPR WrapperStruct0.var_1_13 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L86] CALL assume_abort_if_not(WrapperStruct0.var_1_13 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L86] RET assume_abort_if_not(WrapperStruct0.var_1_13 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L87] WrapperStruct0.var_1_14 = __VERIFIER_nondet_uchar() [L88] EXPR WrapperStruct0.var_1_14 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L88] CALL assume_abort_if_not(WrapperStruct0.var_1_14 >= 0) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L88] RET assume_abort_if_not(WrapperStruct0.var_1_14 >= 0) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L89] EXPR WrapperStruct0.var_1_14 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L89] CALL assume_abort_if_not(WrapperStruct0.var_1_14 <= 1) VAL [WrapperStruct0={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L89] RET assume_abort_if_not(WrapperStruct0.var_1_14 <= 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L103] RET updateVariables() [L104] CALL step() [L49] COND FALSE !(-4 > last_1_WrapperStruct0_var_1_12) [L54] EXPR WrapperStruct0.var_1_10 [L54] WrapperStruct0.var_1_9 = WrapperStruct0.var_1_10 [L56] EXPR WrapperStruct0.var_1_13 [L56] unsigned char stepLocal_0 = ! WrapperStruct0.var_1_13; [L57] stepLocal_0 || WrapperStruct0.var_1_14 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8, stepLocal_0=0] [L57] stepLocal_0 || WrapperStruct0.var_1_14 [L57] EXPR WrapperStruct0.var_1_14 [L57] stepLocal_0 || WrapperStruct0.var_1_14 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8, stepLocal_0=0] [L57] COND FALSE !(stepLocal_0 || WrapperStruct0.var_1_14) [L64] EXPR WrapperStruct0.var_1_8 [L64] WrapperStruct0.var_1_15 = WrapperStruct0.var_1_8 [L65] EXPR WrapperStruct0.var_1_15 [L65] EXPR WrapperStruct0.var_1_15 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L65] COND FALSE !(WrapperStruct0.var_1_15 <= WrapperStruct0.var_1_15) [L70] EXPR WrapperStruct0.var_1_12 [L70] EXPR WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L70] COND TRUE WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9 [L71] EXPR WrapperStruct0.var_1_8 [L71] WrapperStruct0.var_1_1 = WrapperStruct0.var_1_8 [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR WrapperStruct0.var_1_15 [L95] EXPR WrapperStruct0.var_1_15 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR (WrapperStruct0.var_1_15 <= WrapperStruct0.var_1_15) ? (((WrapperStruct0.var_1_12 + WrapperStruct0.var_1_12) >= (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_1 == ((double) ((((WrapperStruct0.var_1_8) < 0 ) ? -(WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_8))))) : 1) : ((WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1) [L95] EXPR WrapperStruct0.var_1_12 [L95] EXPR WrapperStruct0.var_1_9 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR (WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1 [L95] EXPR WrapperStruct0.var_1_1 [L95] EXPR WrapperStruct0.var_1_8 [L95] EXPR (WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1 VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR (WrapperStruct0.var_1_15 <= WrapperStruct0.var_1_15) ? (((WrapperStruct0.var_1_12 + WrapperStruct0.var_1_12) >= (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_1 == ((double) ((((WrapperStruct0.var_1_8) < 0 ) ? -(WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_8))))) : 1) : ((WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR ((WrapperStruct0.var_1_15 <= WrapperStruct0.var_1_15) ? (((WrapperStruct0.var_1_12 + WrapperStruct0.var_1_12) >= (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_1 == ((double) ((((WrapperStruct0.var_1_8) < 0 ) ? -(WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_8))))) : 1) : ((WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? (WrapperStruct0.var_1_9 == ((signed char) ((((WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) < 0 ) ? -(WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) : (WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11))))) : 1) : (WrapperStruct0.var_1_9 == ((signed char) WrapperStruct0.var_1_10))) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR ((WrapperStruct0.var_1_15 <= WrapperStruct0.var_1_15) ? (((WrapperStruct0.var_1_12 + WrapperStruct0.var_1_12) >= (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_1 == ((double) ((((WrapperStruct0.var_1_8) < 0 ) ? -(WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_8))))) : 1) : ((WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? (WrapperStruct0.var_1_9 == ((signed char) ((((WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) < 0 ) ? -(WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) : (WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11))))) : 1) : (WrapperStruct0.var_1_9 == ((signed char) WrapperStruct0.var_1_10))) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR (((WrapperStruct0.var_1_15 <= WrapperStruct0.var_1_15) ? (((WrapperStruct0.var_1_12 + WrapperStruct0.var_1_12) >= (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_1 == ((double) ((((WrapperStruct0.var_1_8) < 0 ) ? -(WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_8))))) : 1) : ((WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? (WrapperStruct0.var_1_9 == ((signed char) ((((WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) < 0 ) ? -(WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) : (WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11))))) : 1) : (WrapperStruct0.var_1_9 == ((signed char) WrapperStruct0.var_1_10)))) && (((! WrapperStruct0.var_1_13) || WrapperStruct0.var_1_14) ? ((! WrapperStruct0.var_1_14) ? (WrapperStruct0.var_1_12 == ((signed long int) (((((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))) < 0 ) ? -((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))) : ((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))))))) : (WrapperStruct0.var_1_12 == ((signed long int) WrapperStruct0.var_1_9))) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR (((WrapperStruct0.var_1_15 <= WrapperStruct0.var_1_15) ? (((WrapperStruct0.var_1_12 + WrapperStruct0.var_1_12) >= (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_1 == ((double) ((((WrapperStruct0.var_1_8) < 0 ) ? -(WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_8))))) : 1) : ((WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? (WrapperStruct0.var_1_9 == ((signed char) ((((WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) < 0 ) ? -(WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) : (WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11))))) : 1) : (WrapperStruct0.var_1_9 == ((signed char) WrapperStruct0.var_1_10)))) && (((! WrapperStruct0.var_1_13) || WrapperStruct0.var_1_14) ? ((! WrapperStruct0.var_1_14) ? (WrapperStruct0.var_1_12 == ((signed long int) (((((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))) < 0 ) ? -((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))) : ((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))))))) : (WrapperStruct0.var_1_12 == ((signed long int) WrapperStruct0.var_1_9))) : 1) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR ((((WrapperStruct0.var_1_15 <= WrapperStruct0.var_1_15) ? (((WrapperStruct0.var_1_12 + WrapperStruct0.var_1_12) >= (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_1 == ((double) ((((WrapperStruct0.var_1_8) < 0 ) ? -(WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_8))))) : 1) : ((WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? (WrapperStruct0.var_1_9 == ((signed char) ((((WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) < 0 ) ? -(WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) : (WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11))))) : 1) : (WrapperStruct0.var_1_9 == ((signed char) WrapperStruct0.var_1_10)))) && (((! WrapperStruct0.var_1_13) || WrapperStruct0.var_1_14) ? ((! WrapperStruct0.var_1_14) ? (WrapperStruct0.var_1_12 == ((signed long int) (((((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))) < 0 ) ? -((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))) : ((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))))))) : (WrapperStruct0.var_1_12 == ((signed long int) WrapperStruct0.var_1_9))) : 1)) && (WrapperStruct0.var_1_15 == ((double) WrapperStruct0.var_1_8)) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95] EXPR ((((WrapperStruct0.var_1_15 <= WrapperStruct0.var_1_15) ? (((WrapperStruct0.var_1_12 + WrapperStruct0.var_1_12) >= (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_1 == ((double) ((((WrapperStruct0.var_1_8) < 0 ) ? -(WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_8))))) : 1) : ((WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? (WrapperStruct0.var_1_9 == ((signed char) ((((WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) < 0 ) ? -(WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) : (WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11))))) : 1) : (WrapperStruct0.var_1_9 == ((signed char) WrapperStruct0.var_1_10)))) && (((! WrapperStruct0.var_1_13) || WrapperStruct0.var_1_14) ? ((! WrapperStruct0.var_1_14) ? (WrapperStruct0.var_1_12 == ((signed long int) (((((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))) < 0 ) ? -((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))) : ((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))))))) : (WrapperStruct0.var_1_12 == ((signed long int) WrapperStruct0.var_1_9))) : 1)) && (WrapperStruct0.var_1_15 == ((double) WrapperStruct0.var_1_8)) VAL [WrapperStruct0={4:0}, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L95-L96] return ((((WrapperStruct0.var_1_15 <= WrapperStruct0.var_1_15) ? (((WrapperStruct0.var_1_12 + WrapperStruct0.var_1_12) >= (WrapperStruct0.var_1_12 + WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_1 == ((double) ((((WrapperStruct0.var_1_8) < 0 ) ? -(WrapperStruct0.var_1_8) : (WrapperStruct0.var_1_8))))) : 1) : ((WrapperStruct0.var_1_12 > WrapperStruct0.var_1_9) ? (WrapperStruct0.var_1_1 == ((double) WrapperStruct0.var_1_8)) : 1)) && ((-4 > last_1_WrapperStruct0_var_1_12) ? (((~ last_1_WrapperStruct0_var_1_12) <= last_1_WrapperStruct0_var_1_12) ? (WrapperStruct0.var_1_9 == ((signed char) ((((WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) < 0 ) ? -(WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11) : (WrapperStruct0.var_1_10 + WrapperStruct0.var_1_11))))) : 1) : (WrapperStruct0.var_1_9 == ((signed char) WrapperStruct0.var_1_10)))) && (((! WrapperStruct0.var_1_13) || WrapperStruct0.var_1_14) ? ((! WrapperStruct0.var_1_14) ? (WrapperStruct0.var_1_12 == ((signed long int) (((((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))) < 0 ) ? -((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))) : ((((WrapperStruct0.var_1_9) < (WrapperStruct0.var_1_9)) ? (WrapperStruct0.var_1_9) : (WrapperStruct0.var_1_9))))))) : (WrapperStruct0.var_1_12 == ((signed long int) WrapperStruct0.var_1_9))) : 1)) && (WrapperStruct0.var_1_15 == ((double) WrapperStruct0.var_1_8)) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_12=8] [L19] reach_error() VAL [WrapperStruct0={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_12=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 93 mSDsluCounter, 1254 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 735 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 519 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=4, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 25 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 395 NumberOfCodeBlocks, 395 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 320 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 576/576 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 11:53:23,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 2b982617b4eafec7cbb1a277d4cd75e5591003436ed1218fbd6f7cc65704fea2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:53:25,820 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:53:25,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:53:25,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:53:25,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:53:25,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:53:25,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:53:25,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:53:25,954 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:53:25,959 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:53:25,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:53:25,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:53:25,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:53:25,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:53:25,963 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:53:25,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:53:25,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:53:25,964 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:53:25,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:53:25,966 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:53:25,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:53:25,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:53:25,967 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:53:25,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:53:25,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:53:25,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:53:25,969 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:53:25,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:53:25,970 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:53:25,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:53:25,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:53:25,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:53:25,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:53:25,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:53:25,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:53:25,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:53:25,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:53:25,975 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:53:25,975 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:53:25,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:53:25,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:53:25,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:53:25,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:53:25,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:53:25,977 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:53:25,977 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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b982617b4eafec7cbb1a277d4cd75e5591003436ed1218fbd6f7cc65704fea2 [2023-11-26 11:53:26,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:53:26,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:53:26,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:53:26,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:53:26,373 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:53:26,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.i [2023-11-26 11:53:29,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:53:29,834 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:53:29,835 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.i [2023-11-26 11:53:29,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/data/7c4df1656/227e19d761714044afbde3f8a809fa97/FLAG31751e26e [2023-11-26 11:53:29,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/data/7c4df1656/227e19d761714044afbde3f8a809fa97 [2023-11-26 11:53:29,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:53:29,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:53:29,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:29,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:53:29,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:53:29,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:29" (1/1) ... [2023-11-26 11:53:29,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48af8367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:29, skipping insertion in model container [2023-11-26 11:53:29,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:53:29" (1/1) ... [2023-11-26 11:53:29,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:53:30,111 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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.i[916,929] [2023-11-26 11:53:30,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:30,188 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:53:30,203 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_e3b5865d-9b1f-44bb-8624-e375a469ec1a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-47.i[916,929] [2023-11-26 11:53:30,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:53:30,271 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:53:30,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30 WrapperNode [2023-11-26 11:53:30,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:53:30,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:30,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:53:30,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:53:30,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,370 INFO L138 Inliner]: procedures = 33, calls = 136, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 389 [2023-11-26 11:53:30,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:53:30,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:53:30,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:53:30,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:53:30,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,445 INFO L175 MemorySlicer]: Split 115 memory accesses to 2 slices as follows [2, 113]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 12 writes are split as follows [0, 12]. [2023-11-26 11:53:30,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:53:30,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:53:30,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:53:30,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:53:30,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (1/1) ... [2023-11-26 11:53:30,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:53:30,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:53:30,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:53:30,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:53:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:53:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-26 11:53:30,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-26 11:53:30,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-26 11:53:30,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-26 11:53:30,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 11:53:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 11:53:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:53:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 11:53:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-26 11:53:30,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-26 11:53:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-26 11:53:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-26 11:53:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 11:53:30,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 11:53:30,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:53:30,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:53:30,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:53:30,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:53:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-26 11:53:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-26 11:53:30,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 11:53:30,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 11:53:30,908 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:53:30,910 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:53:31,629 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:53:31,672 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:53:31,672 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:53:31,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:31 BoogieIcfgContainer [2023-11-26 11:53:31,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:53:31,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:53:31,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:53:31,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:53:31,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:53:29" (1/3) ... [2023-11-26 11:53:31,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c02ea60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:53:31, skipping insertion in model container [2023-11-26 11:53:31,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:53:30" (2/3) ... [2023-11-26 11:53:31,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c02ea60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:53:31, skipping insertion in model container [2023-11-26 11:53:31,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:53:31" (3/3) ... [2023-11-26 11:53:31,683 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-47.i [2023-11-26 11:53:31,718 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:53:31,718 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:53:31,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:53:31,789 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;@304486a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:53:31,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:53:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 78 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:53:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:31,810 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:31,811 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:31,812 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:31,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:31,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1467365147, now seen corresponding path program 1 times [2023-11-26 11:53:31,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:53:31,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151444532] [2023-11-26 11:53:31,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:31,835 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 11:53:31,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:53:31,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:31,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:32,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:53:32,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-26 11:53:32,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:53:32,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:53:32,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151444532] [2023-11-26 11:53:32,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151444532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:32,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:32,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:32,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758215845] [2023-11-26 11:53:32,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:32,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:53:32,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:53:32,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:53:32,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:53:32,354 INFO L87 Difference]: Start difference. First operand has 89 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 78 states have internal predecessors, (116), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 11:53:32,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:32,441 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-11-26 11:53:32,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:53:32,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2023-11-26 11:53:32,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:32,454 INFO L225 Difference]: With dead ends: 175 [2023-11-26 11:53:32,454 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 11:53:32,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 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 11:53:32,464 INFO L413 NwaCegarLoop]: 125 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, 125 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 11:53:32,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:53:32,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 11:53:32,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-26 11:53:32,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 76 states have internal predecessors, (111), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:53:32,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 129 transitions. [2023-11-26 11:53:32,528 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 129 transitions. Word has length 79 [2023-11-26 11:53:32,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:32,529 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 129 transitions. [2023-11-26 11:53:32,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 11:53:32,530 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2023-11-26 11:53:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:32,537 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:32,538 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:32,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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)] Ended with exit code 0 [2023-11-26 11:53:32,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:32,745 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:32,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:32,746 INFO L85 PathProgramCache]: Analyzing trace with hash 636971667, now seen corresponding path program 1 times [2023-11-26 11:53:32,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:53:32,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126110415] [2023-11-26 11:53:32,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:32,748 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 11:53:32,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:53:32,749 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:32,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:33,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:53:33,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:53:33,086 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:53:33,087 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:53:33,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126110415] [2023-11-26 11:53:33,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126110415] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:33,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:33,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:53:33,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337205785] [2023-11-26 11:53:33,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:33,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:33,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:53:33,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:33,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:33,092 INFO L87 Difference]: Start difference. First operand 87 states and 129 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:33,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:33,158 INFO L93 Difference]: Finished difference Result 174 states and 259 transitions. [2023-11-26 11:53:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:33,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-26 11:53:33,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:33,161 INFO L225 Difference]: With dead ends: 174 [2023-11-26 11:53:33,161 INFO L226 Difference]: Without dead ends: 88 [2023-11-26 11:53:33,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 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 11:53:33,164 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:33,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:53:33,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-26 11:53:33,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-11-26 11:53:33,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 77 states have (on average 1.4545454545454546) internal successors, (112), 77 states have internal predecessors, (112), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:53:33,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 130 transitions. [2023-11-26 11:53:33,177 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 130 transitions. Word has length 79 [2023-11-26 11:53:33,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:33,178 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 130 transitions. [2023-11-26 11:53:33,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:33,179 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2023-11-26 11:53:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:33,181 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:33,181 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:33,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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)] Forceful destruction successful, exit code 0 [2023-11-26 11:53:33,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:33,388 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:33,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:33,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1357173039, now seen corresponding path program 1 times [2023-11-26 11:53:33,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:53:33,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [409596553] [2023-11-26 11:53:33,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:33,391 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 11:53:33,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:53:33,392 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:33,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:33,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:53:33,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:53:33,733 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:53:33,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:53:33,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [409596553] [2023-11-26 11:53:33,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [409596553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:33,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:33,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:53:33,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509622190] [2023-11-26 11:53:33,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:33,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:53:33,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:53:33,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:53:33,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:53:33,737 INFO L87 Difference]: Start difference. First operand 88 states and 130 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:33,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:33,873 INFO L93 Difference]: Finished difference Result 201 states and 298 transitions. [2023-11-26 11:53:33,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:53:33,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-26 11:53:33,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:33,877 INFO L225 Difference]: With dead ends: 201 [2023-11-26 11:53:33,877 INFO L226 Difference]: Without dead ends: 114 [2023-11-26 11:53:33,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:53:33,879 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 90 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:33,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 523 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:53:33,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-26 11:53:33,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 91. [2023-11-26 11:53:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.4375) internal successors, (115), 80 states have internal predecessors, (115), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:53:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 133 transitions. [2023-11-26 11:53:33,892 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 133 transitions. Word has length 79 [2023-11-26 11:53:33,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:33,893 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 133 transitions. [2023-11-26 11:53:33,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:33,893 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2023-11-26 11:53:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:33,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:33,896 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:33,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:34,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:34,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:34,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:34,103 INFO L85 PathProgramCache]: Analyzing trace with hash -754228705, now seen corresponding path program 1 times [2023-11-26 11:53:34,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:53:34,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184915937] [2023-11-26 11:53:34,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:34,105 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 11:53:34,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:53:34,107 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:34,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:34,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:53:34,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:53:34,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:53:34,439 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:53:34,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184915937] [2023-11-26 11:53:34,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [184915937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:34,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:34,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:53:34,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580146416] [2023-11-26 11:53:34,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:34,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:53:34,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:53:34,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:53:34,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:53:34,442 INFO L87 Difference]: Start difference. First operand 91 states and 133 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:34,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:34,555 INFO L93 Difference]: Finished difference Result 190 states and 277 transitions. [2023-11-26 11:53:34,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:53:34,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-26 11:53:34,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:34,558 INFO L225 Difference]: With dead ends: 190 [2023-11-26 11:53:34,558 INFO L226 Difference]: Without dead ends: 100 [2023-11-26 11:53:34,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 75 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 11:53:34,560 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 10 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:34,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 476 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:53:34,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-26 11:53:34,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 95. [2023-11-26 11:53:34,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-26 11:53:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-11-26 11:53:34,571 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 79 [2023-11-26 11:53:34,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:34,572 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-26 11:53:34,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-26 11:53:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:34,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:34,575 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:34,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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)] Ended with exit code 0 [2023-11-26 11:53:34,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:34,781 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:34,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash -754169123, now seen corresponding path program 1 times [2023-11-26 11:53:34,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:53:34,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140549664] [2023-11-26 11:53:34,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:34,783 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 11:53:34,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:53:34,784 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:34,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:35,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-26 11:53:35,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:35,231 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 11:53:35,732 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:35,733 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 127 treesize of output 69 [2023-11-26 11:53:36,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:36,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 142 treesize of output 72 [2023-11-26 11:53:36,440 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:36,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 137 treesize of output 82 [2023-11-26 11:53:36,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:36,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 152 treesize of output 85 [2023-11-26 11:53:37,446 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:37,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 154 treesize of output 96 [2023-11-26 11:53:37,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:37,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 207 treesize of output 75 [2023-11-26 11:53:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-26 11:53:37,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:53:37,935 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:53:37,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140549664] [2023-11-26 11:53:37,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140549664] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:37,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:37,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 11:53:37,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423371773] [2023-11-26 11:53:37,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:37,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 11:53:37,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:53:37,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 11:53:37,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-26 11:53:37,938 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-26 11:53:42,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:42,347 INFO L93 Difference]: Finished difference Result 353 states and 503 transitions. [2023-11-26 11:53:42,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 11:53:42,348 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 79 [2023-11-26 11:53:42,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:42,351 INFO L225 Difference]: With dead ends: 353 [2023-11-26 11:53:42,351 INFO L226 Difference]: Without dead ends: 259 [2023-11-26 11:53:42,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=97, Invalid=283, Unknown=0, NotChecked=0, Total=380 [2023-11-26 11:53:42,353 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 552 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:42,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 434 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-26 11:53:42,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2023-11-26 11:53:42,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 145. [2023-11-26 11:53:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 122 states have (on average 1.3770491803278688) internal successors, (168), 122 states have internal predecessors, (168), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 11:53:42,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 204 transitions. [2023-11-26 11:53:42,383 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 204 transitions. Word has length 79 [2023-11-26 11:53:42,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:42,384 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 204 transitions. [2023-11-26 11:53:42,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 10 states have internal predecessors, (43), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-26 11:53:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 204 transitions. [2023-11-26 11:53:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:42,387 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:42,387 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:42,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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)] Ended with exit code 0 [2023-11-26 11:53:42,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:42,595 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:42,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:42,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1140741972, now seen corresponding path program 1 times [2023-11-26 11:53:42,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:53:42,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034008113] [2023-11-26 11:53:42,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:42,596 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 11:53:42,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:53:42,598 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:42,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:42,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:53:42,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:43,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:43,037 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 154 treesize of output 46 [2023-11-26 11:53:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:53:43,182 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:53:43,182 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:53:43,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034008113] [2023-11-26 11:53:43,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034008113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:43,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:43,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:53:43,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778163076] [2023-11-26 11:53:43,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:43,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:53:43,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:53:43,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:53:43,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:53:43,185 INFO L87 Difference]: Start difference. First operand 145 states and 204 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:46,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-26 11:53:50,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:50,038 INFO L93 Difference]: Finished difference Result 425 states and 597 transitions. [2023-11-26 11:53:50,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:53:50,039 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-26 11:53:50,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:50,042 INFO L225 Difference]: With dead ends: 425 [2023-11-26 11:53:50,042 INFO L226 Difference]: Without dead ends: 281 [2023-11-26 11:53:50,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:53:50,044 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 152 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:50,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 255 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-11-26 11:53:50,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2023-11-26 11:53:50,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 147. [2023-11-26 11:53:50,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 124 states have (on average 1.3709677419354838) internal successors, (170), 124 states have internal predecessors, (170), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 11:53:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 206 transitions. [2023-11-26 11:53:50,073 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 206 transitions. Word has length 79 [2023-11-26 11:53:50,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:50,074 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 206 transitions. [2023-11-26 11:53:50,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 206 transitions. [2023-11-26 11:53:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-26 11:53:50,077 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:50,077 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:50,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:50,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:50,283 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:50,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:50,284 INFO L85 PathProgramCache]: Analyzing trace with hash -727103521, now seen corresponding path program 1 times [2023-11-26 11:53:50,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:53:50,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168998077] [2023-11-26 11:53:50,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:50,284 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 11:53:50,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:53:50,285 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:50,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:50,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:53:50,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:53:50,535 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:53:50,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:53:50,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168998077] [2023-11-26 11:53:50,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168998077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:50,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:50,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:53:50,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869485006] [2023-11-26 11:53:50,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:50,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:53:50,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:53:50,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:53:50,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:53:50,538 INFO L87 Difference]: Start difference. First operand 147 states and 206 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:50,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:50,666 INFO L93 Difference]: Finished difference Result 297 states and 417 transitions. [2023-11-26 11:53:50,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:53:50,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 79 [2023-11-26 11:53:50,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:50,668 INFO L225 Difference]: With dead ends: 297 [2023-11-26 11:53:50,668 INFO L226 Difference]: Without dead ends: 151 [2023-11-26 11:53:50,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 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 11:53:50,670 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 7 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 373 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 11:53:50,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 373 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 11:53:50,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-26 11:53:50,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 147. [2023-11-26 11:53:50,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 124 states have (on average 1.3629032258064515) internal successors, (169), 124 states have internal predecessors, (169), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 11:53:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 205 transitions. [2023-11-26 11:53:50,693 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 205 transitions. Word has length 79 [2023-11-26 11:53:50,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:50,693 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 205 transitions. [2023-11-26 11:53:50,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 205 transitions. [2023-11-26 11:53:50,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 11:53:50,696 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:50,696 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:50,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:50,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:50,903 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:50,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:50,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1423977953, now seen corresponding path program 1 times [2023-11-26 11:53:50,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:53:50,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811983178] [2023-11-26 11:53:50,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:50,904 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 11:53:50,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:53:50,906 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:50,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:51,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 11:53:51,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:51,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:51,285 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 66 treesize of output 24 [2023-11-26 11:53:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:53:51,352 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:53:51,352 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:53:51,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811983178] [2023-11-26 11:53:51,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811983178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:51,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:51,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:53:51,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648068976] [2023-11-26 11:53:51,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:51,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:53:51,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:53:51,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:53:51,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:53:51,355 INFO L87 Difference]: Start difference. First operand 147 states and 205 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:53,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:53:53,423 INFO L93 Difference]: Finished difference Result 459 states and 643 transitions. [2023-11-26 11:53:53,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:53:53,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 81 [2023-11-26 11:53:53,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:53:53,427 INFO L225 Difference]: With dead ends: 459 [2023-11-26 11:53:53,427 INFO L226 Difference]: Without dead ends: 313 [2023-11-26 11:53:53,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:53:53,429 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 182 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:53:53,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 334 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-26 11:53:53,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2023-11-26 11:53:53,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 264. [2023-11-26 11:53:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 219 states have (on average 1.3378995433789955) internal successors, (293), 219 states have internal predecessors, (293), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-26 11:53:53,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 365 transitions. [2023-11-26 11:53:53,474 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 365 transitions. Word has length 81 [2023-11-26 11:53:53,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:53:53,475 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 365 transitions. [2023-11-26 11:53:53,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:53:53,475 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 365 transitions. [2023-11-26 11:53:53,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 11:53:53,477 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:53:53,478 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:53,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:53,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:53,684 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:53:53,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:53,684 INFO L85 PathProgramCache]: Analyzing trace with hash -124621637, now seen corresponding path program 1 times [2023-11-26 11:53:53,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:53:53,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023040271] [2023-11-26 11:53:53,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:53,685 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 11:53:53,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:53:53,686 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:53,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:53:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:53,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-26 11:53:54,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:53:54,014 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 14 treesize of output 10 [2023-11-26 11:53:54,443 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 52 treesize of output 24 [2023-11-26 11:53:54,678 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 47 treesize of output 34 [2023-11-26 11:53:55,006 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:55,007 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 57 treesize of output 47 [2023-11-26 11:53:55,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:55,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 52 treesize of output 51 [2023-11-26 11:53:55,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:53:55,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 64 [2023-11-26 11:54:00,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:54:00,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 101 treesize of output 47 [2023-11-26 11:54:00,559 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 96 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-26 11:54:00,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:54:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-26 11:54:00,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:54:00,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023040271] [2023-11-26 11:54:00,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2023040271] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 11:54:00,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 11:54:00,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [18] total 20 [2023-11-26 11:54:00,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002178056] [2023-11-26 11:54:00,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:54:00,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:54:00,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:54:00,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:54:00,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=307, Unknown=1, NotChecked=0, Total=380 [2023-11-26 11:54:00,872 INFO L87 Difference]: Start difference. First operand 264 states and 365 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:54:02,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:54:02,452 INFO L93 Difference]: Finished difference Result 714 states and 988 transitions. [2023-11-26 11:54:02,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:54:02,453 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 81 [2023-11-26 11:54:02,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:54:02,461 INFO L225 Difference]: With dead ends: 714 [2023-11-26 11:54:02,462 INFO L226 Difference]: Without dead ends: 451 [2023-11-26 11:54:02,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=95, Invalid=456, Unknown=1, NotChecked=0, Total=552 [2023-11-26 11:54:02,466 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 204 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:54:02,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 406 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-26 11:54:02,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2023-11-26 11:54:02,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 405. [2023-11-26 11:54:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 356 states have (on average 1.3623595505617978) internal successors, (485), 358 states have internal predecessors, (485), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (38), 36 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-26 11:54:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 561 transitions. [2023-11-26 11:54:02,522 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 561 transitions. Word has length 81 [2023-11-26 11:54:02,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:54:02,523 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 561 transitions. [2023-11-26 11:54:02,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-26 11:54:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 561 transitions. [2023-11-26 11:54:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-26 11:54:02,526 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:54:02,527 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:54:02,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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)] Forceful destruction successful, exit code 0 [2023-11-26 11:54:02,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:54:02,734 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:54:02,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:54:02,735 INFO L85 PathProgramCache]: Analyzing trace with hash 916042595, now seen corresponding path program 1 times [2023-11-26 11:54:02,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:54:02,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267875430] [2023-11-26 11:54:02,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:02,736 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 11:54:02,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:54:02,737 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 11:54:02,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/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 (11)] Waiting until timeout for monitored process [2023-11-26 11:54:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:54:03,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-26 11:54:03,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:54:03,166 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 11:54:03,760 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:54:03,760 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 125 treesize of output 67 [2023-11-26 11:54:04,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:54:04,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 135 treesize of output 80 [2023-11-26 11:54:04,713 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:54:04,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 145 treesize of output 93 [2023-11-26 11:54:05,341 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:54:05,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 155 treesize of output 106 [2023-11-26 11:54:06,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:54:06,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 172 treesize of output 120 [2023-11-26 11:54:06,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:54:06,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 225 treesize of output 81 [2023-11-26 11:54:06,785 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 104 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-26 11:54:06,786 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:54:07,189 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:54:07,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267875430] [2023-11-26 11:54:07,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267875430] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:54:07,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1185213886] [2023-11-26 11:54:07,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:54:07,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-26 11:54:07,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/cvc4 [2023-11-26 11:54:07,196 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-26 11:54:07,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3b5865d-9b1f-44bb-8624-e375a469ec1a/bin/uautomizer-verify-VRDe98Ueme/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process