./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ --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 3acf5bb1790d9b138c6c0c5b597980df4579e90442c07b1f46b433fc4941b9a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:23:14,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:23:14,177 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:23:14,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:23:14,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:23:14,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:23:14,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:23:14,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:23:14,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:23:14,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:23:14,242 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:23:14,242 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:23:14,243 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:23:14,243 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:23:14,244 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:23:14,245 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:23:14,245 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:23:14,246 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:23:14,246 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:23:14,247 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:23:14,247 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:23:14,255 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:23:14,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:23:14,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:23:14,257 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:23:14,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:23:14,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:23:14,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:23:14,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:23:14,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:23:14,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:23:14,260 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:23:14,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:23:14,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:23:14,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:23:14,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:23:14,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:14,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:23:14,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:23:14,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:23:14,263 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:23:14,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:23:14,264 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:23:14,264 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:23:14,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:23:14,265 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_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3acf5bb1790d9b138c6c0c5b597980df4579e90442c07b1f46b433fc4941b9a8 [2023-11-19 05:23:14,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:23:14,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:23:14,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:23:14,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:23:14,624 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:23:14,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i [2023-11-19 05:23:17,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:18,210 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:18,211 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i [2023-11-19 05:23:18,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/data/20cb52510/24c5da3fd16842f2b381f0744cd61a34/FLAG7b3b3e744 [2023-11-19 05:23:18,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/data/20cb52510/24c5da3fd16842f2b381f0744cd61a34 [2023-11-19 05:23:18,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:18,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:18,263 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:18,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:18,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:18,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6759e481 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18, skipping insertion in model container [2023-11-19 05:23:18,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,332 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:18,486 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_6d17e475-cfce-4e42-8f1d-091e1807623d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i[916,929] [2023-11-19 05:23:18,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:18,615 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:23:18,629 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_6d17e475-cfce-4e42-8f1d-091e1807623d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i[916,929] [2023-11-19 05:23:18,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:18,710 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:23:18,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18 WrapperNode [2023-11-19 05:23:18,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:18,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:18,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:23:18,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:23:18,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,860 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 226 [2023-11-19 05:23:18,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:18,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:23:18,862 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:23:18,862 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:23:18,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:23:18,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:23:18,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:23:18,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:23:18,955 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (1/1) ... [2023-11-19 05:23:18,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:18,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:18,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:23:19,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:23:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:23:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:23:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:23:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:23:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:23:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:23:19,207 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:23:19,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:23:20,015 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:23:20,587 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:23:20,588 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:23:20,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:20 BoogieIcfgContainer [2023-11-19 05:23:20,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:23:20,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:23:20,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:23:20,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:23:20,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:23:18" (1/3) ... [2023-11-19 05:23:20,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48fc7533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:20, skipping insertion in model container [2023-11-19 05:23:20,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:18" (2/3) ... [2023-11-19 05:23:20,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48fc7533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:20, skipping insertion in model container [2023-11-19 05:23:20,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:20" (3/3) ... [2023-11-19 05:23:20,613 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-53.i [2023-11-19 05:23:20,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:23:20,638 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:23:20,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:23:20,735 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;@3de94ad6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:23:20,736 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:23:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:23:20,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-19 05:23:20,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:20,758 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:20,759 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:20,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:20,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1921539441, now seen corresponding path program 1 times [2023-11-19 05:23:20,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:20,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295868505] [2023-11-19 05:23:20,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:20,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:21,101 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:23:21,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1707975148] [2023-11-19 05:23:21,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:21,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:23:21,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:21,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:23:21,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:23:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:23:21,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:23:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:23:22,402 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:23:22,405 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:23:22,410 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:23:22,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:23:22,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:23:22,627 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:23:22,631 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:23:22,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:23:22 BoogieIcfgContainer [2023-11-19 05:23:22,787 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:23:22,788 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:23:22,788 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:23:22,788 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:23:22,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:20" (3/4) ... [2023-11-19 05:23:22,791 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:23:22,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:23:22,795 INFO L158 Benchmark]: Toolchain (without parser) took 4534.93ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 105.4MB in the beginning and 102.3MB in the end (delta: 3.1MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2023-11-19 05:23:22,795 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory was 123.8MB in the beginning and 123.7MB in the end (delta: 84.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:22,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.72ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 87.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:23:22,797 INFO L158 Benchmark]: Boogie Procedure Inliner took 149.11ms. Allocated memory is still 151.0MB. Free memory was 87.4MB in the beginning and 79.5MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:23:22,798 INFO L158 Benchmark]: Boogie Preprocessor took 90.58ms. Allocated memory is still 151.0MB. Free memory was 79.5MB in the beginning and 76.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:23:22,799 INFO L158 Benchmark]: RCFGBuilder took 1641.87ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 76.1MB in the beginning and 157.9MB in the end (delta: -81.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-19 05:23:22,800 INFO L158 Benchmark]: TraceAbstraction took 2186.50ms. Allocated memory is still 213.9MB. Free memory was 156.8MB in the beginning and 103.3MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-19 05:23:22,800 INFO L158 Benchmark]: Witness Printer took 5.18ms. Allocated memory is still 213.9MB. Free memory was 103.3MB in the beginning and 102.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:23:22,805 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 151.0MB. Free memory was 123.8MB in the beginning and 123.7MB in the end (delta: 84.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.72ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 87.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 149.11ms. Allocated memory is still 151.0MB. Free memory was 87.4MB in the beginning and 79.5MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.58ms. Allocated memory is still 151.0MB. Free memory was 79.5MB in the beginning and 76.1MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1641.87ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 76.1MB in the beginning and 157.9MB in the end (delta: -81.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2186.50ms. Allocated memory is still 213.9MB. Free memory was 156.8MB in the beginning and 103.3MB in the end (delta: 53.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 5.18ms. Allocated memory is still 213.9MB. Free memory was 103.3MB in the beginning and 102.3MB 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.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 193, overapproximation of bitwiseOr at line 101, overapproximation of someUnaryDOUBLEoperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of someBinaryArithmeticFLOAToperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -100; [L23] unsigned char var_1_2 = 200; [L24] unsigned char var_1_3 = 100; [L25] unsigned char var_1_4 = 8; [L26] unsigned char var_1_7 = 16; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 1; [L32] unsigned char var_1_16 = 0; [L33] unsigned short int var_1_17 = 256; [L34] signed short int var_1_19 = -100; [L35] signed short int var_1_20 = 32; [L36] unsigned char var_1_21 = 1; [L37] signed short int var_1_23 = -256; [L38] float var_1_24 = -0.5; [L39] float var_1_25 = 255.8; [L40] float var_1_26 = 31.2; [L41] float var_1_27 = 0.5; [L42] unsigned char var_1_28 = 32; [L43] unsigned char var_1_29 = 64; [L44] unsigned short int var_1_30 = 16; [L45] double var_1_31 = 255.9; [L46] unsigned short int var_1_33 = 39141; [L47] unsigned short int var_1_34 = 52589; [L48] signed long int last_1_var_1_1 = -100; [L49] unsigned char last_1_var_1_7 = 16; [L50] unsigned short int last_1_var_1_17 = 256; [L51] signed short int last_1_var_1_19 = -100; [L52] signed short int last_1_var_1_20 = 32; [L53] signed short int last_1_var_1_23 = -256; [L54] unsigned char last_1_var_1_28 = 32; [L197] isInitial = 1 [L198] FCALL initially() [L199] COND TRUE 1 [L200] CALL updateLastVariables() [L184] last_1_var_1_1 = var_1_1 [L185] last_1_var_1_7 = var_1_7 [L186] last_1_var_1_17 = var_1_17 [L187] last_1_var_1_19 = var_1_19 [L188] last_1_var_1_20 = var_1_20 [L189] last_1_var_1_23 = var_1_23 [L190] last_1_var_1_28 = var_1_28 [L200] RET updateLastVariables() [L201] CALL updateVariables() [L143] var_1_2 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=100, var_1_4=8, var_1_7=16, var_1_9=0] [L146] var_1_3 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_3 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_3 >= 63) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=8, var_1_7=16, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=8, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=8, var_1_7=16, var_1_9=0] [L149] var_1_4 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L152] var_1_12 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L154] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L155] var_1_13 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L157] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L158] var_1_15 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L160] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L161] var_1_16 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=1279/5, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L164] var_1_25 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_25 >= -461168.6018427382800e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=156/5, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L166] var_1_26 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=1/2, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L168] var_1_27 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_27 >= -461168.6018427382800e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_27 >= -461168.6018427382800e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 4611686.018427382800e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=64, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L170] var_1_29 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_29 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_29 >= 64) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L172] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=2559/10, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L173] var_1_31 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_31 >= -922337.2036854776000e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854776000e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L175] CALL assume_abort_if_not(var_1_31 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_31 != 0.0F) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=39141, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L176] var_1_33 = __VERIFIER_nondet_ushort() [L177] CALL assume_abort_if_not(var_1_33 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_33 >= 32767) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L178] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=52589, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L179] var_1_34 = __VERIFIER_nondet_ushort() [L180] CALL assume_abort_if_not(var_1_34 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=32767, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_34 >= 32767) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=32767, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L181] CALL assume_abort_if_not(var_1_34 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=32767, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_34 <= 65534) VAL [isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=-100, var_1_1=-100, var_1_20=32, var_1_21=1, var_1_23=-256, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=32, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=32767, var_1_3=127, var_1_4=16, var_1_7=16, var_1_9=0] [L201] RET updateVariables() [L202] CALL step() [L58] COND TRUE (var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7 [L59] COND TRUE (var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2) [L60] COND FALSE !(last_1_var_1_7 > var_1_4) [L63] var_1_1 = var_1_2 [L69] unsigned char stepLocal_1 = last_1_var_1_28 < (var_1_3 - var_1_4); [L70] signed long int stepLocal_0 = last_1_var_1_28; [L71] COND TRUE stepLocal_1 || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1)) [L72] COND TRUE stepLocal_0 >= var_1_4 [L73] var_1_7 = 2 [L80] unsigned char stepLocal_3 = var_1_4; [L81] signed long int stepLocal_2 = last_1_var_1_17; [L82] COND FALSE !(stepLocal_2 < ((((var_1_2) > (var_1_4)) ? (var_1_2) : (var_1_4)))) [L89] var_1_14 = var_1_15 [L91] var_1_24 = (var_1_25 + ((((var_1_26) < (var_1_27)) ? (var_1_26) : (var_1_27)))) [L92] COND TRUE ! var_1_12 [L93] var_1_28 = ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_29) - var_1_4) [L97] COND FALSE !((var_1_24 / var_1_31) > var_1_24) [L100] var_1_19 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_28)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_28))) [L101] EXPR var_1_4 ^ var_1_1 [L101] COND TRUE var_1_1 != (var_1_4 ^ var_1_1) [L102] COND TRUE \read(var_1_14) [L103] COND TRUE \read(var_1_14) [L104] var_1_9 = (var_1_12 || (! (! var_1_13))) [L110] unsigned char stepLocal_6 = var_1_9; [L111] COND TRUE stepLocal_6 || (var_1_28 >= last_1_var_1_20) [L112] var_1_20 = (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) + var_1_4) [L116] unsigned char stepLocal_8 = var_1_28 > var_1_7; [L117] COND TRUE stepLocal_8 || var_1_14 [L118] var_1_23 = (((((var_1_3 + (var_1_2 - var_1_28))) < (var_1_4)) ? ((var_1_3 + (var_1_2 - var_1_28))) : (var_1_4))) [L122] unsigned char stepLocal_7 = ((((var_1_23) > (var_1_19)) ? (var_1_23) : (var_1_19))) <= 0; [L123] COND FALSE !(stepLocal_7 && var_1_13) [L128] signed short int stepLocal_5 = var_1_23; [L129] unsigned char stepLocal_4 = var_1_12; [L130] COND TRUE (var_1_28 / (2571661009u - var_1_2)) != stepLocal_5 [L131] COND FALSE !(stepLocal_4 && var_1_21) [L202] RET step() [L203] CALL, EXPR property() [L193] EXPR ((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1) [L193] EXPR var_1_4 ^ var_1_1 [L193] EXPR ((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1) [L193-L194] return (((((((((((((var_1_2 - (var_1_3 - var_1_4)) == last_1_var_1_7) ? (((var_1_3 + last_1_var_1_7) >= (var_1_4 / var_1_2)) ? ((last_1_var_1_7 > var_1_4) ? (var_1_1 == ((signed long int) (var_1_4 + last_1_var_1_20))) : (var_1_1 == ((signed long int) var_1_2))) : 1) : (var_1_1 == ((signed long int) var_1_2))) && (((last_1_var_1_28 < (var_1_3 - var_1_4)) || (last_1_var_1_23 > (last_1_var_1_19 * last_1_var_1_1))) ? ((last_1_var_1_28 >= var_1_4) ? (var_1_7 == ((unsigned char) 2)) : (var_1_7 == ((unsigned char) var_1_4))) : (var_1_7 == ((unsigned char) var_1_3)))) && ((var_1_1 != (var_1_4 ^ var_1_1)) ? (var_1_14 ? (var_1_14 ? (var_1_9 == ((unsigned char) (var_1_12 || (! (! var_1_13))))) : 1) : (var_1_9 == ((unsigned char) var_1_13))) : 1)) && ((last_1_var_1_17 < ((((var_1_2) > (var_1_4)) ? (var_1_2) : (var_1_4)))) ? ((var_1_4 >= last_1_var_1_19) ? (var_1_14 == ((unsigned char) var_1_12)) : (var_1_14 == ((unsigned char) (var_1_15 && var_1_16)))) : (var_1_14 == ((unsigned char) var_1_15)))) && (((var_1_28 / (2571661009u - var_1_2)) != var_1_23) ? ((var_1_12 && var_1_21) ? (var_1_17 == ((unsigned short int) 2)) : 1) : (var_1_21 ? (var_1_17 == ((unsigned short int) var_1_7)) : (var_1_17 == ((unsigned short int) var_1_2))))) && (var_1_19 == ((signed short int) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_28)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_28)))))) && ((var_1_9 || (var_1_28 >= last_1_var_1_20)) ? (var_1_20 == ((signed short int) (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) + var_1_4))) : (var_1_20 == ((signed short int) (var_1_4 - (((((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3))) < 0 ) ? -((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3))) : ((((last_1_var_1_20) > (var_1_3)) ? (last_1_var_1_20) : (var_1_3)))))))))) && (((((((var_1_23) > (var_1_19)) ? (var_1_23) : (var_1_19))) <= 0) && var_1_13) ? (var_1_14 ? (var_1_21 == ((unsigned char) var_1_16)) : 1) : 1)) && (((var_1_28 > var_1_7) || var_1_14) ? (var_1_23 == ((signed short int) (((((var_1_3 + (var_1_2 - var_1_28))) < (var_1_4)) ? ((var_1_3 + (var_1_2 - var_1_28))) : (var_1_4))))) : (var_1_23 == ((signed short int) (var_1_2 - var_1_28))))) && (var_1_24 == ((float) (var_1_25 + ((((var_1_26) < (var_1_27)) ? (var_1_26) : (var_1_27))))))) && ((! var_1_12) ? (var_1_28 == ((unsigned char) ((((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_29) - var_1_4))) : (var_1_28 == ((unsigned char) ((((((((var_1_29) < (var_1_4)) ? (var_1_29) : (var_1_4)))) > (var_1_3)) ? (((((var_1_29) < (var_1_4)) ? (var_1_29) : (var_1_4)))) : (var_1_3))))))) && (((var_1_24 / var_1_31) > var_1_24) ? (var_1_30 == ((unsigned short int) (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - var_1_4))) : 1) ; [L203] RET, EXPR property() [L203] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=16, var_1_1=127, var_1_20=143, var_1_21=1, var_1_23=16, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=238, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=32767, var_1_3=127, var_1_4=16, var_1_7=2, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_17=256, last_1_var_1_19=-100, last_1_var_1_1=-100, last_1_var_1_20=32, last_1_var_1_23=-256, last_1_var_1_28=32, last_1_var_1_7=16, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=256, var_1_19=16, var_1_1=127, var_1_20=143, var_1_21=1, var_1_23=16, var_1_25=2, var_1_26=3, var_1_27=4, var_1_28=238, var_1_29=127, var_1_2=127, var_1_30=16, var_1_31=5, var_1_33=65534, var_1_34=32767, var_1_3=127, var_1_4=16, var_1_7=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-19 05:23:22,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ --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 3acf5bb1790d9b138c6c0c5b597980df4579e90442c07b1f46b433fc4941b9a8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:23:25,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:23:25,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:23:25,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:23:25,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:23:25,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:23:25,981 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:23:25,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:23:25,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:23:25,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:23:25,984 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:23:25,984 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:23:25,985 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:23:25,986 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:23:25,987 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:23:25,987 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:23:25,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:23:25,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:23:25,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:23:25,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:23:25,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:23:25,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:23:25,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:23:25,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:23:25,994 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:23:25,995 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:23:25,996 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:23:25,996 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:23:25,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:23:25,997 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:23:25,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:23:25,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:23:25,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:23:26,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:26,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:23:26,001 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:23:26,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:23:26,002 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:23:26,002 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:23:26,002 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:23:26,003 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:23:26,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:23:26,004 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3acf5bb1790d9b138c6c0c5b597980df4579e90442c07b1f46b433fc4941b9a8 [2023-11-19 05:23:26,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:23:26,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:23:26,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:23:26,496 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:23:26,497 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:23:26,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i [2023-11-19 05:23:30,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:30,547 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:30,548 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i [2023-11-19 05:23:30,562 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/data/0e5d3341a/0a1a04d7968d4f4eadce93b3d8392851/FLAGd9ef03ea1 [2023-11-19 05:23:30,580 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/data/0e5d3341a/0a1a04d7968d4f4eadce93b3d8392851 [2023-11-19 05:23:30,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:30,585 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:30,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:30,587 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:30,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:30,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:30" (1/1) ... [2023-11-19 05:23:30,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1103506a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:30, skipping insertion in model container [2023-11-19 05:23:30,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:30" (1/1) ... [2023-11-19 05:23:30,645 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:30,873 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_6d17e475-cfce-4e42-8f1d-091e1807623d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i[916,929] [2023-11-19 05:23:31,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:31,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:23:31,054 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_6d17e475-cfce-4e42-8f1d-091e1807623d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-53.i[916,929] [2023-11-19 05:23:31,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:31,210 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:23:31,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31 WrapperNode [2023-11-19 05:23:31,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:31,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:31,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:23:31,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:23:31,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,328 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-11-19 05:23:31,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:31,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:23:31,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:23:31,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:23:31,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:23:31,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:23:31,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:23:31,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:23:31,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (1/1) ... [2023-11-19 05:23:31,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:31,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:31,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:23:31,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:23:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:23:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:23:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:23:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:23:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:23:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:23:31,630 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:23:31,633 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:23:39,310 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:23:39,328 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:23:39,329 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:23:39,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:39 BoogieIcfgContainer [2023-11-19 05:23:39,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:23:39,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:23:39,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:23:39,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:23:39,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:23:30" (1/3) ... [2023-11-19 05:23:39,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461dc2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:39, skipping insertion in model container [2023-11-19 05:23:39,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:31" (2/3) ... [2023-11-19 05:23:39,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461dc2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:39, skipping insertion in model container [2023-11-19 05:23:39,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:39" (3/3) ... [2023-11-19 05:23:39,351 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-53.i [2023-11-19 05:23:39,384 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:23:39,385 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:23:39,450 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:23:39,457 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;@79a195ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:23:39,457 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:23:39,462 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 58 states have internal predecessors, (81), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:23:39,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 05:23:39,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:39,484 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:39,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:39,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:39,492 INFO L85 PathProgramCache]: Analyzing trace with hash -401812784, now seen corresponding path program 1 times [2023-11-19 05:23:39,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:39,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424108748] [2023-11-19 05:23:39,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:39,512 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 [2023-11-19 05:23:39,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:39,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:23:39,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:40,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:23:40,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:23:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-19 05:23:40,964 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:23:40,965 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:23:40,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424108748] [2023-11-19 05:23:40,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424108748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:40,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:40,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:23:40,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80002936] [2023-11-19 05:23:40,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:40,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:23:40,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:23:41,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:23:41,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:23:41,032 INFO L87 Difference]: Start difference. First operand has 85 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 58 states have internal predecessors, (81), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:23:41,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:41,081 INFO L93 Difference]: Finished difference Result 163 states and 281 transitions. [2023-11-19 05:23:41,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:23:41,084 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 167 [2023-11-19 05:23:41,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:41,093 INFO L225 Difference]: With dead ends: 163 [2023-11-19 05:23:41,093 INFO L226 Difference]: Without dead ends: 81 [2023-11-19 05:23:41,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:23:41,102 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:41,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:23:41,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2023-11-19 05:23:41,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2023-11-19 05:23:41,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 54 states have internal predecessors, (74), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 05:23:41,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 124 transitions. [2023-11-19 05:23:41,176 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 124 transitions. Word has length 167 [2023-11-19 05:23:41,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:41,177 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 124 transitions. [2023-11-19 05:23:41,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 05:23:41,177 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2023-11-19 05:23:41,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 05:23:41,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:41,184 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:41,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:23:41,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:41,404 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:23:41,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:41,405 INFO L85 PathProgramCache]: Analyzing trace with hash -222354666, now seen corresponding path program 1 times [2023-11-19 05:23:41,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:23:41,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273485518] [2023-11-19 05:23:41,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:41,407 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 [2023-11-19 05:23:41,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:23:41,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:23:41,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:23:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:42,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:23:42,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:23:48,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 78 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-19 05:23:48,782 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:23:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:23:51,127 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:23:51,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273485518] [2023-11-19 05:23:51,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273485518] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:23:51,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1367491582] [2023-11-19 05:23:51,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:51,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:23:51,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:23:51,139 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:23:51,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:23:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:51,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:23:51,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:23:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 05:23:52,417 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:23:52,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1367491582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:52,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 05:23:52,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 6] total 14 [2023-11-19 05:23:52,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178527012] [2023-11-19 05:23:52,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:52,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:23:52,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:23:52,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:23:52,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-11-19 05:23:52,424 INFO L87 Difference]: Start difference. First operand 81 states and 124 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:23:55,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:57,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:23:59,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:01,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 05:24:01,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:24:01,298 INFO L93 Difference]: Finished difference Result 196 states and 298 transitions. [2023-11-19 05:24:01,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:24:01,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 167 [2023-11-19 05:24:01,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:24:01,458 INFO L225 Difference]: With dead ends: 196 [2023-11-19 05:24:01,459 INFO L226 Difference]: Without dead ends: 118 [2023-11-19 05:24:01,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 485 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2023-11-19 05:24:01,463 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 48 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:24:01,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 351 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 4 Unknown, 0 Unchecked, 8.7s Time] [2023-11-19 05:24:01,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-19 05:24:01,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 115. [2023-11-19 05:24:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 81 states have (on average 1.382716049382716) internal successors, (112), 82 states have internal predecessors, (112), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 05:24:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 174 transitions. [2023-11-19 05:24:01,498 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 174 transitions. Word has length 167 [2023-11-19 05:24:01,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:24:01,500 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 174 transitions. [2023-11-19 05:24:01,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 05:24:01,500 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 174 transitions. [2023-11-19 05:24:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 05:24:01,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:24:01,505 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:24:01,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-19 05:24:01,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:24:01,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:24:01,910 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:24:01,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:24:01,911 INFO L85 PathProgramCache]: Analyzing trace with hash -220507624, now seen corresponding path program 1 times [2023-11-19 05:24:01,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:24:01,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627649778] [2023-11-19 05:24:01,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:01,913 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 [2023-11-19 05:24:01,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:24:01,914 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:24:01,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:24:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:24:03,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:24:03,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:24:08,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 78 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-19 05:24:08,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:24:10,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 05:24:10,713 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:24:10,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627649778] [2023-11-19 05:24:10,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627649778] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:24:10,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [604082855] [2023-11-19 05:24:10,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:24:10,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:24:10,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:24:10,720 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:24:10,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d17e475-cfce-4e42-8f1d-091e1807623d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process