./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash daa057e82631e6f1d313140c57470663c53a0147ee44af9a015893bbe50819e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:07,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:07,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:18:07,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:07,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:07,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:07,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:07,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:07,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:07,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:07,892 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:07,893 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:07,894 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:07,896 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:07,896 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:07,897 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:07,897 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:07,898 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:07,900 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:07,901 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:07,901 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:07,902 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:07,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:07,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:07,904 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:07,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:07,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:07,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:07,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:07,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:07,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:07,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:07,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:07,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:07,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:07,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:07,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:07,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:07,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:07,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:07,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:07,910 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:07,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:07,911 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:07,911 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:07,912 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:07,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:07,912 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> daa057e82631e6f1d313140c57470663c53a0147ee44af9a015893bbe50819e3 [2023-11-23 21:18:08,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:08,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:08,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:08,365 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:08,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:08,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i [2023-11-23 21:18:11,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:11,860 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:11,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i [2023-11-23 21:18:11,871 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/data/5d73ba340/3a002eafd7db450f9e1b8c4d84f5ce26/FLAG9bc0ebda7 [2023-11-23 21:18:11,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/data/5d73ba340/3a002eafd7db450f9e1b8c4d84f5ce26 [2023-11-23 21:18:11,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:11,893 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:11,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:11,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:11,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:11,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:11" (1/1) ... [2023-11-23 21:18:11,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3680201d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:11, skipping insertion in model container [2023-11-23 21:18:11,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:11" (1/1) ... [2023-11-23 21:18:11,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:12,147 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_2a3f473b-33d2-47e3-9fba-4e3126b677aa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i[915,928] [2023-11-23 21:18:12,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:12,212 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:12,225 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_2a3f473b-33d2-47e3-9fba-4e3126b677aa/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-40.i[915,928] [2023-11-23 21:18:12,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:12,265 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:12,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12 WrapperNode [2023-11-23 21:18:12,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:12,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:12,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:12,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:12,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,341 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2023-11-23 21:18:12,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:12,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:12,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:12,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:12,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,385 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:12,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:12,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:12,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:12,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (1/1) ... [2023-11-23 21:18:12,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:12,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:12,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:12,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:12,505 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:12,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:12,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:12,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:12,594 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:12,596 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:12,888 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:13,025 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:13,025 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:13,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:13 BoogieIcfgContainer [2023-11-23 21:18:13,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:13,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:13,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:13,035 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:13,036 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:11" (1/3) ... [2023-11-23 21:18:13,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e44873d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:13, skipping insertion in model container [2023-11-23 21:18:13,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:12" (2/3) ... [2023-11-23 21:18:13,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e44873d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:13, skipping insertion in model container [2023-11-23 21:18:13,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:13" (3/3) ... [2023-11-23 21:18:13,039 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-40.i [2023-11-23 21:18:13,063 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:13,064 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:13,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:13,152 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=FINITE_AUTOMATA, 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;@3ca5e717, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:13,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:18:13,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 21:18:13,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:13,175 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:13,177 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:13,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:13,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1878397178, now seen corresponding path program 1 times [2023-11-23 21:18:13,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:13,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465358320] [2023-11-23 21:18:13,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:13,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-23 21:18:14,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:14,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465358320] [2023-11-23 21:18:14,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465358320] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:18:14,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044270482] [2023-11-23 21:18:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:14,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:14,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:14,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:18:14,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:18:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:15,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 21:18:15,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 88 proven. 16 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-23 21:18:16,210 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:18:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-23 21:18:16,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044270482] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:18:16,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [378816913] [2023-11-23 21:18:16,721 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2023-11-23 21:18:16,722 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:18:16,726 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:18:16,732 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:18:16,733 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:18:19,381 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 28 for LOIs [2023-11-23 21:18:19,385 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:18:21,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [378816913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:21,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:18:21,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [5, 5, 5] total 25 [2023-11-23 21:18:21,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35385509] [2023-11-23 21:18:21,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:21,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-11-23 21:18:21,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:21,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-23 21:18:21,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2023-11-23 21:18:21,790 INFO L87 Difference]: Start difference. First operand has 31 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 20 states, 13 states have (on average 1.0) internal successors, (13), 12 states have internal predecessors, (13), 9 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 9 states have call successors, (14) [2023-11-23 21:18:24,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:24,248 INFO L93 Difference]: Finished difference Result 103 states and 139 transitions. [2023-11-23 21:18:24,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-11-23 21:18:24,251 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 13 states have (on average 1.0) internal successors, (13), 12 states have internal predecessors, (13), 9 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 9 states have call successors, (14) Word has length 54 [2023-11-23 21:18:24,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:24,261 INFO L225 Difference]: With dead ends: 103 [2023-11-23 21:18:24,262 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:18:24,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 140 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=438, Invalid=1368, Unknown=0, NotChecked=0, Total=1806 [2023-11-23 21:18:24,270 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 34 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:24,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 127 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-23 21:18:24,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:18:24,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2023-11-23 21:18:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 33 states have internal predecessors, (34), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:18:24,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 90 transitions. [2023-11-23 21:18:24,346 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 90 transitions. Word has length 54 [2023-11-23 21:18:24,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:24,348 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 90 transitions. [2023-11-23 21:18:24,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 13 states have (on average 1.0) internal successors, (13), 12 states have internal predecessors, (13), 9 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 9 states have call successors, (14) [2023-11-23 21:18:24,349 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2023-11-23 21:18:24,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-23 21:18:24,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:24,355 INFO L195 NwaCegarLoop]: trace histogram [28, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-23 21:18:24,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:24,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:18:24,576 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:24,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:24,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1661204343, now seen corresponding path program 1 times [2023-11-23 21:18:24,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:24,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425779421] [2023-11-23 21:18:24,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:24,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2023-11-23 21:18:25,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:18:25,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425779421] [2023-11-23 21:18:25,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425779421] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:18:25,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305597790] [2023-11-23 21:18:25,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:25,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:25,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:25,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:18:25,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:18:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:25,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 21:18:25,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:26,370 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 340 proven. 30 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2023-11-23 21:18:26,372 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:18:26,639 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 33 proven. 8 refuted. 0 times theorem prover too weak. 739 trivial. 0 not checked. [2023-11-23 21:18:26,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305597790] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:18:26,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [352722840] [2023-11-23 21:18:26,645 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2023-11-23 21:18:26,645 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:18:26,646 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:18:26,647 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:18:26,647 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:18:37,131 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 6 for LOIs [2023-11-23 21:18:37,133 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:18:40,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [352722840] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:40,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:18:40,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [5, 5, 5] total 26 [2023-11-23 21:18:40,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731663310] [2023-11-23 21:18:40,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:40,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-23 21:18:40,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:18:40,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-23 21:18:40,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=545, Unknown=0, NotChecked=0, Total=650 [2023-11-23 21:18:40,887 INFO L87 Difference]: Start difference. First operand 72 states and 90 transitions. Second operand has 21 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 9 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 9 states have call successors, (14) [2023-11-23 21:18:43,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:43,111 INFO L93 Difference]: Finished difference Result 72 states and 90 transitions. [2023-11-23 21:18:43,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-23 21:18:43,114 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 9 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 9 states have call successors, (14) Word has length 107 [2023-11-23 21:18:43,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:43,117 INFO L225 Difference]: With dead ends: 72 [2023-11-23 21:18:43,117 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:18:43,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 296 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=181, Invalid=689, Unknown=0, NotChecked=0, Total=870 [2023-11-23 21:18:43,119 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 16 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:43,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 44 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 21:18:43,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:18:43,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:18:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:18:43,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:18:43,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2023-11-23 21:18:43,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:43,122 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:18:43,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 13 states have internal predecessors, (15), 9 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 9 states have call successors, (14) [2023-11-23 21:18:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:18:43,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:18:43,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:18:43,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:43,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:43,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:18:45,314 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2023-11-23 21:18:45,314 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (<= (mod ~var_1_8~0 256) 0)) (.cse2 (<= (mod ~var_1_10~0 256) 127))) (or (let ((.cse3 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse1 (= (+ 5 ~var_1_13~0) 0) (= ~var_1_12~0 10) (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) .cse2 (= (select .cse3 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse3 1) 0))) (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) .cse1 (= ~isInitial~0 0) .cse2 (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))))) [2023-11-23 21:18:45,315 INFO L895 garLoopResultBuilder]: At program point L60-1(line 60) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (<= (mod ~var_1_8~0 256) 0)) (.cse2 (<= (mod ~var_1_10~0 256) 127))) (or (let ((.cse3 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse1 (= (+ 5 ~var_1_13~0) 0) (= ~var_1_12~0 10) (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) .cse2 (= (select .cse3 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse3 1) 0))) (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) .cse1 (= ~isInitial~0 0) .cse2 (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))))) [2023-11-23 21:18:45,315 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (and (<= (mod ~var_1_12~0 256) 254) (<= (mod ~var_1_8~0 256) 0) (<= (mod ~var_1_11~0 256) 127) (let ((.cse0 (<= 1 |#StackHeapBarrier|))) (or (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) (= ~isInitial~0 0) (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))) (let ((.cse1 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (+ 5 ~var_1_13~0) 0) (= ~var_1_12~0 10) (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= 16 ~var_1_10~0) (= 64 ~var_1_11~0) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) (= ~var_1_8~0 0) (= (select .cse1 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse1 1) 0))))) (<= (mod ~var_1_10~0 256) 127)) [2023-11-23 21:18:45,316 INFO L899 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2023-11-23 21:18:45,316 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-23 21:18:45,316 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-23 21:18:45,316 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-23 21:18:45,316 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-11-23 21:18:45,316 INFO L895 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (<= (mod ~var_1_8~0 256) 0))) (or (let ((.cse2 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse1 (= (+ 5 ~var_1_13~0) 0) (= ~var_1_12~0 10) (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= 64 ~var_1_11~0) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) (= (select .cse2 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse2 1) 0))) (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) .cse1 (= ~isInitial~0 0) (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))))) [2023-11-23 21:18:45,317 INFO L895 garLoopResultBuilder]: At program point L57-1(line 57) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (<= (mod ~var_1_8~0 256) 0))) (or (let ((.cse2 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse1 (= (+ 5 ~var_1_13~0) 0) (= ~var_1_12~0 10) (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= 64 ~var_1_11~0) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) (= (select .cse2 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse2 1) 0))) (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) .cse1 (= ~isInitial~0 0) (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))))) [2023-11-23 21:18:45,317 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-23 21:18:45,317 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|))) (or (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= (mod ~var_1_12~0 256) 254) (<= 0 (+ 127 ~var_1_13~0)) (<= (mod ~var_1_8~0 256) 0) (<= (mod ~var_1_11~0 256) 127) (= ~isInitial~0 0) (<= (mod ~var_1_10~0 256) 127) (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))) (let ((.cse1 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (+ 5 ~var_1_13~0) 0) (= ~var_1_4~0 (/ 513.0 2.0)) (= ~var_1_12~0 10) (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= 16 ~var_1_10~0) (= 64 ~var_1_11~0) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) (= ~var_1_8~0 0) (= (select .cse1 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse1 1) 0))))) [2023-11-23 21:18:45,317 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|))) (or (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= (mod ~var_1_12~0 256) 254) (<= 0 (+ 127 ~var_1_13~0)) (<= (mod ~var_1_8~0 256) 0) (<= (mod ~var_1_11~0 256) 127) (= ~isInitial~0 0) (<= (mod ~var_1_10~0 256) 127) (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))) (let ((.cse1 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (+ 5 ~var_1_13~0) 0) (= ~var_1_4~0 (/ 513.0 2.0)) (= ~var_1_12~0 10) (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= 16 ~var_1_10~0) (= 64 ~var_1_11~0) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) (= ~var_1_8~0 0) (= (select .cse1 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse1 1) 0))))) [2023-11-23 21:18:45,318 INFO L895 garLoopResultBuilder]: At program point L78-2(lines 78 84) the Hoare annotation is: (let ((.cse1 (= ~isInitial~0 0))) (and (<= (mod ~var_1_12~0 256) 254) (or (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 29 (select |#length| 2)) (= (select .cse0 1) 0))) .cse1) (<= (mod ~var_1_8~0 256) 0) (<= (mod ~var_1_11~0 256) 127) (let ((.cse2 (<= 1 |#StackHeapBarrier|))) (or (and .cse2 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= (+ 5 ~var_1_13~0) 0) (= (/ 39.0 5.0) ~var_1_3~0) (= ~var_1_4~0 (/ 513.0 2.0)) (= ~var_1_12~0 10) (= ~isInitial~0 1) (= 16 ~var_1_10~0) (= 64 ~var_1_11~0) (= 25 ~var_1_14~0) (= ~var_1_8~0 0) (= ~var_1_2~0 (/ 49.0 5.0)) (= ~var_1_1~0 50)) (and (= |ULTIMATE.start_property_#res#1| 1) .cse2 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) .cse1 (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))))) (<= (mod ~var_1_10~0 256) 127))) [2023-11-23 21:18:45,318 INFO L895 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: (and (let ((.cse3 (<= 1 |#StackHeapBarrier|)) (.cse0 (<= (mod ~var_1_12~0 256) 254)) (.cse1 (<= (mod ~var_1_8~0 256) 0)) (.cse2 (<= (mod ~var_1_11~0 256) 127)) (.cse4 (<= (mod ~var_1_10~0 256) 127))) (or (and .cse0 .cse1 .cse2 (exists ((v_~var_1_14~0_25 Int)) (and (= |ULTIMATE.start_property_#res#1| 1) .cse3 (<= 0 (+ 127 ~var_1_13~0)) (<= v_~var_1_14~0_25 126) (= ~isInitial~0 0) (<= ~var_1_13~0 126) (<= 0 (+ v_~var_1_14~0_25 127)))) .cse4) (let ((.cse5 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse3 (= ~var_1_9~0 8) (= ~var_1_7~0 1) .cse0 (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse1 (= (+ 5 ~var_1_13~0) 0) .cse2 (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) .cse4 (= (select .cse5 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse5 1) 0))))) (<= ~var_1_14~0 127) (<= 0 (+ 128 ~var_1_14~0))) [2023-11-23 21:18:45,318 INFO L895 garLoopResultBuilder]: At program point L66-1(line 66) the Hoare annotation is: (let ((.cse4 (<= 1 |#StackHeapBarrier|)) (.cse0 (<= (mod ~var_1_12~0 256) 254)) (.cse1 (<= ~var_1_14~0 127)) (.cse2 (<= (mod ~var_1_8~0 256) 0)) (.cse3 (<= (mod ~var_1_11~0 256) 127)) (.cse5 (<= (mod ~var_1_10~0 256) 127)) (.cse6 (<= 0 (+ 127 ~var_1_14~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (exists ((v_~var_1_14~0_25 Int)) (and (= |ULTIMATE.start_property_#res#1| 1) .cse4 (<= 0 (+ 127 ~var_1_13~0)) (<= v_~var_1_14~0_25 126) (= ~isInitial~0 0) (<= ~var_1_13~0 126) (<= 0 (+ v_~var_1_14~0_25 127)))) .cse5 .cse6) (let ((.cse7 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse4 (= ~var_1_9~0 8) (= ~var_1_7~0 1) .cse0 (= 2 (select |#length| 1)) .cse1 (= (select |#valid| 3) 1) .cse2 (= (+ 5 ~var_1_13~0) 0) .cse3 (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) .cse5 (= (select .cse7 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse7 1) 0) .cse6)))) [2023-11-23 21:18:45,318 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:18:45,319 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-11-23 21:18:45,319 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|))) (or (let ((.cse1 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (+ 5 ~var_1_13~0) 0) (= ~var_1_12~0 10) (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= 16 ~var_1_10~0) (= 64 ~var_1_11~0) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) (= (select .cse1 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse1 1) 0))) (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) (= ~isInitial~0 0) (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))))) [2023-11-23 21:18:45,319 INFO L895 garLoopResultBuilder]: At program point L54-1(line 54) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|))) (or (let ((.cse1 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (+ 5 ~var_1_13~0) 0) (= ~var_1_12~0 10) (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= 16 ~var_1_10~0) (= 64 ~var_1_11~0) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) (= (select .cse1 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse1 1) 0))) (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) (= ~isInitial~0 0) (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))))) [2023-11-23 21:18:45,319 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-23 21:18:45,319 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:18:45,320 INFO L899 garLoopResultBuilder]: For program point L67(lines 45 68) no Hoare annotation was computed. [2023-11-23 21:18:45,320 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (<= (mod ~var_1_8~0 256) 0)) (.cse2 (<= (mod ~var_1_11~0 256) 127)) (.cse3 (<= (mod ~var_1_10~0 256) 127))) (or (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) .cse1 .cse2 (= ~isInitial~0 0) .cse3 (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))) (let ((.cse4 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse1 (= (+ 5 ~var_1_13~0) 0) .cse2 (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) .cse3 (= (select .cse4 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse4 1) 0))))) [2023-11-23 21:18:45,320 INFO L895 garLoopResultBuilder]: At program point L63-1(line 63) the Hoare annotation is: (let ((.cse0 (<= 1 |#StackHeapBarrier|)) (.cse1 (<= (mod ~var_1_8~0 256) 0)) (.cse2 (<= (mod ~var_1_11~0 256) 127)) (.cse3 (<= (mod ~var_1_10~0 256) 127))) (or (and (= |ULTIMATE.start_property_#res#1| 1) .cse0 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) .cse1 .cse2 (= ~isInitial~0 0) .cse3 (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))) (let ((.cse4 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse0 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) .cse1 (= (+ 5 ~var_1_13~0) 0) .cse2 (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) .cse3 (= (select .cse4 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse4 1) 0))))) [2023-11-23 21:18:45,320 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-11-23 21:18:45,321 INFO L895 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: (let ((.cse0 (= ~isInitial~0 0))) (and (<= (mod ~var_1_12~0 256) 254) (exists ((v_~var_1_2~0_11 Real)) (or (and (= (/ 49.0 5.0) v_~var_1_2~0_11) (= (/ 39.0 5.0) ~var_1_3~0) (= ~var_1_4~0 (/ 513.0 2.0)) (= ~var_1_8~0 0)) .cse0)) (<= (mod ~var_1_11~0 256) 127) (<= (mod ~var_1_10~0 256) 127) (let ((.cse1 (<= 1 |#StackHeapBarrier|))) (or (let ((.cse2 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) .cse1 (= ~var_1_9~0 8) (= ~var_1_7~0 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (+ 5 ~var_1_13~0) 0) (= ~var_1_12~0 10) (= (select |#valid| 1) 1) (= ~isInitial~0 1) (= 16 ~var_1_10~0) (= 64 ~var_1_11~0) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= 25 ~var_1_14~0) (= (select .cse2 0) 48) (= 29 (select |#length| 2)) (= ~var_1_1~0 50) (= (select .cse2 1) 0))) (and (= |ULTIMATE.start_property_#res#1| 1) .cse1 (<= ~var_1_14~0 126) (<= 0 (+ 127 ~var_1_13~0)) (<= (mod ~var_1_8~0 256) 0) .cse0 (<= ~var_1_13~0 126) (<= 0 (+ 127 ~var_1_14~0))))))) [2023-11-23 21:18:45,321 INFO L899 garLoopResultBuilder]: For program point L47-1(line 47) no Hoare annotation was computed. [2023-11-23 21:18:45,321 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-23 21:18:45,321 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-23 21:18:45,324 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:18:45,326 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:45,342 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-11-23 21:18:45,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-23 21:18:45,343 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-11-23 21:18:45,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-23 21:18:45,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-23 21:18:45,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-23 21:18:45,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-23 21:18:45,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-23 21:18:45,345 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-23 21:18:45,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:45 BoogieIcfgContainer [2023-11-23 21:18:45,347 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:45,348 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:45,348 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:45,348 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:45,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:13" (3/4) ... [2023-11-23 21:18:45,351 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:18:45,354 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-23 21:18:45,360 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-23 21:18:45,360 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 21:18:45,361 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 21:18:45,361 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:18:45,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((var_1_12 % 256) <= 254) && ((var_1_8 % 256) <= 0)) && ((var_1_11 % 256) <= 127)) && ((((((((((((((var_1_9 == 8) && (var_1_7 == 1)) && ((5 + var_1_13) == 0)) && (39/5 == var_1_3)) && (var_1_4 == 513/2)) && (var_1_12 == 10)) && (isInitial == 1)) && (16 == var_1_10)) && (64 == var_1_11)) && (25 == var_1_14)) && (var_1_8 == 0)) && (var_1_2 == 49/5)) && (var_1_1 == 50)) || ((((((\result == 1) && (var_1_14 <= 126)) && (0 <= (127 + var_1_13))) && (isInitial == 0)) && (var_1_13 <= 126)) && (0 <= (127 + var_1_14))))) && ((var_1_10 % 256) <= 127)) [2023-11-23 21:18:45,412 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((var_1_12 % 256) <= 254) && ((var_1_8 % 256) <= 0)) && ((var_1_11 % 256) <= 127)) && ((((((((((((((var_1_9 == 8) && (var_1_7 == 1)) && ((5 + var_1_13) == 0)) && (39/5 == var_1_3)) && (var_1_4 == 513/2)) && (var_1_12 == 10)) && (isInitial == 1)) && (16 == var_1_10)) && (64 == var_1_11)) && (25 == var_1_14)) && (var_1_8 == 0)) && (var_1_2 == 49/5)) && (var_1_1 == 50)) || ((((((\result == 1) && (var_1_14 <= 126)) && (0 <= (127 + var_1_13))) && (isInitial == 0)) && (var_1_13 <= 126)) && (0 <= (127 + var_1_14))))) && ((var_1_10 % 256) <= 127)) [2023-11-23 21:18:45,460 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:18:45,460 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:18:45,461 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:45,461 INFO L158 Benchmark]: Toolchain (without parser) took 33568.41ms. Allocated memory was 134.2MB in the beginning and 937.4MB in the end (delta: 803.2MB). Free memory was 92.0MB in the beginning and 825.9MB in the end (delta: -734.0MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2023-11-23 21:18:45,462 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:45,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.02ms. Allocated memory is still 134.2MB. Free memory was 92.0MB in the beginning and 99.1MB in the end (delta: -7.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:18:45,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.27ms. Allocated memory is still 134.2MB. Free memory was 99.1MB in the beginning and 96.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:45,463 INFO L158 Benchmark]: Boogie Preprocessor took 42.46ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 95.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:45,464 INFO L158 Benchmark]: RCFGBuilder took 641.90ms. Allocated memory is still 134.2MB. Free memory was 95.5MB in the beginning and 77.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:18:45,464 INFO L158 Benchmark]: TraceAbstraction took 32316.40ms. Allocated memory was 134.2MB in the beginning and 937.4MB in the end (delta: 803.2MB). Free memory was 77.2MB in the beginning and 832.2MB in the end (delta: -755.1MB). Peak memory consumption was 540.9MB. Max. memory is 16.1GB. [2023-11-23 21:18:45,465 INFO L158 Benchmark]: Witness Printer took 112.76ms. Allocated memory is still 937.4MB. Free memory was 832.2MB in the beginning and 825.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:18:45,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.02ms. Allocated memory is still 134.2MB. Free memory was 92.0MB in the beginning and 99.1MB in the end (delta: -7.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.27ms. Allocated memory is still 134.2MB. Free memory was 99.1MB in the beginning and 96.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.46ms. Allocated memory is still 134.2MB. Free memory was 96.5MB in the beginning and 95.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 641.90ms. Allocated memory is still 134.2MB. Free memory was 95.5MB in the beginning and 77.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 32316.40ms. Allocated memory was 134.2MB in the beginning and 937.4MB in the end (delta: 803.2MB). Free memory was 77.2MB in the beginning and 832.2MB in the end (delta: -755.1MB). Peak memory consumption was 540.9MB. Max. memory is 16.1GB. * Witness Printer took 112.76ms. Allocated memory is still 937.4MB. Free memory was 832.2MB in the beginning and 825.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.2s, OverallIterations: 2, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 171 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 125 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 678 IncrementalHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 46 mSDtfsCounter, 678 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 511 GetRequests, 436 SyntacticMatches, 6 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 9.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=1, InterpolantAutomatonStates: 56, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 57 PreInvPairs, 87 NumberOfFragments, 1958 HoareAnnotationTreeSize, 57 FomulaSimplifications, 2605 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 2510 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 322 NumberOfCodeBlocks, 322 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 1193 SizeOfPredicates, 36 NumberOfNonLiveVariables, 517 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 6 InterpolantComputations, 0 PerfectInterpolantSequences, 2808/2886 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: OVERALL_TIME: 13.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 148, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 59, TOOLS_POST_TIME: 3.6s, TOOLS_POST_CALL_APPLICATIONS: 168, TOOLS_POST_CALL_TIME: 4.0s, TOOLS_POST_RETURN_APPLICATIONS: 140, TOOLS_POST_RETURN_TIME: 3.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 367, TOOLS_QUANTIFIERELIM_TIME: 10.4s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.5s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 295, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 183, DOMAIN_JOIN_TIME: 1.9s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 148, DOMAIN_ISBOTTOM_TIME: 0.3s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 1.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.9s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 140, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 4456, DAG_COMPRESSION_RETAINED_NODES: 265, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((((((var_1_12 % 256) <= 254) && ((var_1_8 % 256) <= 0)) && ((var_1_11 % 256) <= 127)) && ((((((((((((((var_1_9 == 8) && (var_1_7 == 1)) && ((5 + var_1_13) == 0)) && (39/5 == var_1_3)) && (var_1_4 == 513/2)) && (var_1_12 == 10)) && (isInitial == 1)) && (16 == var_1_10)) && (64 == var_1_11)) && (25 == var_1_14)) && (var_1_8 == 0)) && (var_1_2 == 49/5)) && (var_1_1 == 50)) || ((((((\result == 1) && (var_1_14 <= 126)) && (0 <= (127 + var_1_13))) && (isInitial == 0)) && (var_1_13 <= 126)) && (0 <= (127 + var_1_14))))) && ((var_1_10 % 256) <= 127)) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:18:45,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a3f473b-33d2-47e3-9fba-4e3126b677aa/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE