./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aeac736475d2e9b0ab566775f61df15337d707594a1ca30cedb7f4179e279e85 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:59,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:59,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:19:59,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:59,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:59,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:59,969 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:59,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:59,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:59,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:59,981 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:59,983 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:59,984 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:59,986 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:19:59,987 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:59,987 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:59,988 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:19:59,988 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:19:59,989 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:59,990 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:19:59,990 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:19:59,991 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:19:59,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:59,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:59,994 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:59,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:19:59,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:59,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:59,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:59,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:59,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:59,998 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:59,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:59,999 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:59,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:00,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:00,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:00,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:00,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:00,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:00,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:00,003 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:20:00,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:20:00,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:00,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:00,005 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:00,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:00,005 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_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeac736475d2e9b0ab566775f61df15337d707594a1ca30cedb7f4179e279e85 [2023-11-23 21:20:00,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:00,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:00,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:00,453 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:00,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:00,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i [2023-11-23 21:20:03,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:04,332 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:04,332 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i [2023-11-23 21:20:04,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/data/3bfc4236e/8079ac4184c746f5b73e638807914d76/FLAGa922133dd [2023-11-23 21:20:04,363 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/data/3bfc4236e/8079ac4184c746f5b73e638807914d76 [2023-11-23 21:20:04,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:04,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:04,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:04,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:04,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:04,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:04,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551fc1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04, skipping insertion in model container [2023-11-23 21:20:04,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:04,425 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:04,643 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_b0f227f4-885b-4c08-9274-1059eea09707/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i[916,929] [2023-11-23 21:20:04,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:04,791 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:04,805 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_b0f227f4-885b-4c08-9274-1059eea09707/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i[916,929] [2023-11-23 21:20:04,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:04,898 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:04,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04 WrapperNode [2023-11-23 21:20:04,899 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:04,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:04,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:04,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:04,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:04,951 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:05,036 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 207 [2023-11-23 21:20:05,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:05,038 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:05,038 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:05,039 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:05,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:05,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:05,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:05,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:05,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:05,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:05,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:05,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:05,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:05,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:05,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:05,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:05,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (1/1) ... [2023-11-23 21:20:05,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:05,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:05,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:05,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:05,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:20:05,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:05,391 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:05,395 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:06,197 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:06,635 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:06,635 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:06,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:06 BoogieIcfgContainer [2023-11-23 21:20:06,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:06,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:06,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:06,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:06,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:04" (1/3) ... [2023-11-23 21:20:06,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517d819a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:06, skipping insertion in model container [2023-11-23 21:20:06,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:04" (2/3) ... [2023-11-23 21:20:06,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517d819a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:06, skipping insertion in model container [2023-11-23 21:20:06,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:06" (3/3) ... [2023-11-23 21:20:06,650 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-42.i [2023-11-23 21:20:06,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:06,677 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:06,738 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:06,747 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;@74533e23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:06,747 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:20:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 21:20:06,768 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:06,769 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:06,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:06,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:06,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1209674084, now seen corresponding path program 1 times [2023-11-23 21:20:06,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:20:06,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889264135] [2023-11-23 21:20:06,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:06,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:20:07,062 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:20:07,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121908036] [2023-11-23 21:20:07,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:07,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:07,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:07,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:20:07,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:20:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:07,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:20:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:20:07,781 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:20:07,784 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:20:07,785 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:20:07,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:20:08,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:20:08,021 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:20:08,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:20:08,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:20:08 BoogieIcfgContainer [2023-11-23 21:20:08,225 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:20:08,226 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:20:08,226 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:20:08,226 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:20:08,227 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:06" (3/4) ... [2023-11-23 21:20:08,229 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:20:08,231 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:20:08,233 INFO L158 Benchmark]: Toolchain (without parser) took 3863.79ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 113.3MB in the beginning and 164.1MB in the end (delta: -50.8MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-23 21:20:08,233 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 155.2MB. Free memory was 128.2MB in the beginning and 128.0MB in the end (delta: 241.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:08,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.62ms. Allocated memory is still 155.2MB. Free memory was 113.3MB in the beginning and 97.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:20:08,242 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.03ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 91.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:20:08,244 INFO L158 Benchmark]: Boogie Preprocessor took 78.76ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 88.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:20:08,244 INFO L158 Benchmark]: RCFGBuilder took 1520.03ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 88.7MB in the beginning and 134.2MB in the end (delta: -45.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-11-23 21:20:08,246 INFO L158 Benchmark]: TraceAbstraction took 1583.73ms. Allocated memory is still 207.6MB. Free memory was 133.1MB in the beginning and 164.1MB in the end (delta: -31.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-23 21:20:08,246 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 207.6MB. Free memory is still 164.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:20:08,257 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 155.2MB. Free memory was 128.2MB in the beginning and 128.0MB in the end (delta: 241.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.62ms. Allocated memory is still 155.2MB. Free memory was 113.3MB in the beginning and 97.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.03ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 91.3MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.76ms. Allocated memory is still 155.2MB. Free memory was 91.3MB in the beginning and 88.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1520.03ms. Allocated memory was 155.2MB in the beginning and 207.6MB in the end (delta: 52.4MB). Free memory was 88.7MB in the beginning and 134.2MB in the end (delta: -45.5MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1583.73ms. Allocated memory is still 207.6MB. Free memory was 133.1MB in the beginning and 164.1MB in the end (delta: -31.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 207.6MB. Free memory is still 164.1MB. There was no memory consumed. 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 177, overapproximation of bitwiseOr at line 58, overapproximation of someBinaryArithmeticDOUBLEoperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 50.75; [L23] double var_1_3 = 8.5; [L24] double var_1_4 = 64.5; [L25] double var_1_5 = 9.3; [L26] unsigned char var_1_6 = 1; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 0; [L29] unsigned char var_1_10 = 32; [L30] unsigned char var_1_11 = 2; [L31] double var_1_12 = 127.6; [L32] unsigned char var_1_13 = 0; [L33] signed long int var_1_14 = 1; [L34] unsigned char var_1_15 = 128; [L35] unsigned char var_1_16 = 128; [L36] unsigned char var_1_17 = 1; [L37] unsigned char var_1_18 = 16; [L38] unsigned char var_1_19 = 0; [L39] signed char var_1_21 = -32; [L40] signed char var_1_22 = 2; [L41] double var_1_23 = 15.5; [L42] float var_1_24 = 2.625; [L43] double var_1_25 = 4.375; [L44] double var_1_26 = 2.35; [L45] double var_1_27 = 64.25; [L46] signed short int var_1_28 = -5; [L47] float var_1_29 = 0.0; [L48] unsigned char var_1_30 = 2; [L49] unsigned long int var_1_31 = 2; [L50] double last_1_var_1_1 = 50.75; [L51] unsigned char last_1_var_1_13 = 0; [L52] signed long int last_1_var_1_14 = 1; [L53] unsigned char last_1_var_1_15 = 128; [L54] unsigned char last_1_var_1_30 = 2; [L181] isInitial = 1 [L182] FCALL initially() [L183] int k_loop; [L184] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_3=17/2, var_1_4=129/2, var_1_5=93/10, var_1_6=1, var_1_8=0, var_1_9=0] [L184] COND TRUE k_loop < 1 [L185] CALL updateLastVariables() [L170] last_1_var_1_1 = var_1_1 [L171] last_1_var_1_13 = var_1_13 [L172] last_1_var_1_14 = var_1_14 [L173] last_1_var_1_15 = var_1_15 [L174] last_1_var_1_30 = var_1_30 [L185] RET updateLastVariables() [L186] CALL updateVariables() [L135] var_1_3 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_3 >= -230584.3009213691390e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 2305843.009213691390e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_4=129/2, var_1_5=93/10, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_3 >= -230584.3009213691390e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 2305843.009213691390e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_4=129/2, var_1_5=93/10, var_1_6=1, var_1_8=0, var_1_9=0] [L137] var_1_4 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_4 >= -230584.3009213691390e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 2305843.009213691390e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_5=93/10, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_4 >= -230584.3009213691390e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 2305843.009213691390e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_5=93/10, var_1_6=1, var_1_8=0, var_1_9=0] [L139] var_1_5 = __VERIFIER_nondet_double() [L140] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L141] var_1_8 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_9=0] [L143] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L144] var_1_9 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0] [L146] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=2, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L147] var_1_11 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L149] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L150] var_1_16 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L152] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=1, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L153] var_1_17 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L155] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=16, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L156] var_1_18 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L158] CALL assume_abort_if_not(var_1_18 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_18 <= 127) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=2, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L159] var_1_22 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_22 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=5, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_22 >= -127) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=5, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L161] CALL assume_abort_if_not(var_1_22 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=5, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_22 <= 126) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=5, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_26=47/20, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L162] var_1_26 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_26 >= 0.0F && 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_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=5, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_26 >= 0.0F && 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_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=5, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_27=257/4, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L164] var_1_27 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_27 >= 0.0F && 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_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=5, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_27 >= 0.0F && 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_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=5, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_28=-5, var_1_29=0, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L166] var_1_29 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_29 >= 4611686.018427387900e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854776000e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=5, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_28=-5, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_29 >= 4611686.018427387900e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854776000e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=32, var_1_11=64, var_1_12=638/5, var_1_13=0, var_1_14=1, var_1_15=128, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=203/4, var_1_21=-32, var_1_22=5, var_1_23=31/2, var_1_24=21/8, var_1_25=35/8, var_1_28=-5, var_1_30=2, var_1_31=2, var_1_6=1, var_1_8=0, var_1_9=0] [L186] RET updateVariables() [L187] CALL step() [L58] EXPR last_1_var_1_30 | ((((var_1_17) < (var_1_11)) ? (var_1_17) : (var_1_11))) [L58] signed long int stepLocal_1 = last_1_var_1_30 | ((((var_1_17) < (var_1_11)) ? (var_1_17) : (var_1_11))); [L59] COND FALSE !(last_1_var_1_14 > stepLocal_1) [L62] COND FALSE !(99.3f <= var_1_3) [L65] var_1_25 = (((((var_1_3 + (var_1_26 - var_1_27))) > (var_1_4)) ? ((var_1_3 + (var_1_26 - var_1_27))) : (var_1_4))) [L68] COND TRUE var_1_25 <= var_1_4 [L69] var_1_15 = (var_1_16 - var_1_17) [L73] COND FALSE !(last_1_var_1_1 <= 2.25) [L76] var_1_1 = ((((((((7.6) > (var_1_3)) ? (7.6) : (var_1_3)))) > (var_1_4)) ? (((((7.6) > (var_1_3)) ? (7.6) : (var_1_3)))) : (var_1_4))) [L78] var_1_10 = var_1_11 [L79] var_1_12 = (var_1_3 + ((((1000000.75) < (var_1_5)) ? (1000000.75) : (var_1_5)))) [L80] var_1_23 = var_1_5 [L81] COND FALSE !(7.75 > (- var_1_12)) [L84] var_1_24 = ((((9999.2f) < ((var_1_5 + var_1_4))) ? (9999.2f) : ((var_1_5 + var_1_4)))) [L86] var_1_30 = var_1_11 [L87] COND FALSE !(((((var_1_23) < (24.4f)) ? (var_1_23) : (24.4f))) != var_1_5) [L90] COND FALSE !(var_1_17 == ((last_1_var_1_15 * var_1_16) + var_1_18)) [L93] var_1_19 = (var_1_8 && var_1_9) [L95] COND TRUE var_1_24 > var_1_25 [L96] COND FALSE !(var_1_19 && var_1_9) [L103] var_1_13 = var_1_11 [L108] unsigned char stepLocal_0 = var_1_19 && var_1_8; [L109] COND FALSE !(var_1_9 || stepLocal_0) [L112] var_1_14 = last_1_var_1_14 [L114] COND TRUE var_1_5 != (- var_1_4) [L115] var_1_6 = (var_1_19 && var_1_8) [L119] COND FALSE !(((var_1_29 - 7.25f) - var_1_27) > var_1_23) [L126] COND TRUE var_1_12 <= var_1_23 [L127] var_1_28 = var_1_17 [L132] var_1_31 = var_1_14 [L187] RET step() [L188] CALL, EXPR property() [L177] EXPR ((((((((((((last_1_var_1_1 <= 2.25) ? (var_1_1 == ((double) ((((2.5) < (((var_1_3 + var_1_4) + ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) ? (2.5) : (((var_1_3 + var_1_4) + ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))))) : (var_1_1 == ((double) ((((((((7.6) > (var_1_3)) ? (7.6) : (var_1_3)))) > (var_1_4)) ? (((((7.6) > (var_1_3)) ? (7.6) : (var_1_3)))) : (var_1_4)))))) && ((var_1_5 != (- var_1_4)) ? (var_1_6 == ((unsigned char) (var_1_19 && var_1_8))) : (var_1_6 == ((unsigned char) var_1_9)))) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((double) (var_1_3 + ((((1000000.75) < (var_1_5)) ? (1000000.75) : (var_1_5))))))) && ((var_1_24 > var_1_25) ? ((var_1_19 && var_1_9) ? ((var_1_11 > last_1_var_1_13) ? (var_1_13 == ((unsigned char) var_1_11)) : (var_1_13 == ((unsigned char) var_1_11))) : (var_1_13 == ((unsigned char) var_1_11))) : (var_1_13 == ((unsigned char) var_1_11)))) && ((var_1_9 || (var_1_19 && var_1_8)) ? (var_1_14 == ((signed long int) ((((((((var_1_11) > (var_1_13)) ? (var_1_11) : (var_1_13)))) < (last_1_var_1_14)) ? (((((var_1_11) > (var_1_13)) ? (var_1_11) : (var_1_13)))) : (last_1_var_1_14))))) : (var_1_14 == ((signed long int) last_1_var_1_14)))) && ((var_1_25 <= var_1_4) ? (var_1_15 == ((unsigned char) (var_1_16 - var_1_17))) : (var_1_15 == ((unsigned char) (var_1_17 + var_1_18))))) && ((var_1_17 == ((last_1_var_1_15 * var_1_16) + var_1_18)) ? (var_1_19 == ((unsigned char) (var_1_8 || var_1_9))) : (var_1_19 == ((unsigned char) (var_1_8 && var_1_9))))) && ((((((var_1_23) < (24.4f)) ? (var_1_23) : (24.4f))) != var_1_5) ? (var_1_21 == ((signed char) ((((var_1_22) < (5)) ? (var_1_22) : (5))))) : 1)) && (var_1_23 == ((double) var_1_5))) && ((7.75 > (- var_1_12)) ? (var_1_24 == ((float) (var_1_3 + var_1_5))) : (var_1_24 == ((float) ((((9999.2f) < ((var_1_5 + var_1_4))) ? (9999.2f) : ((var_1_5 + var_1_4)))))))) && ((last_1_var_1_14 > (last_1_var_1_30 | ((((var_1_17) < (var_1_11)) ? (var_1_17) : (var_1_11))))) ? (var_1_25 == ((double) ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) < (var_1_3)) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : (var_1_3))))) : ((99.3f <= var_1_3) ? (var_1_25 == ((double) (var_1_4 + var_1_5))) : (var_1_25 == ((double) (((((var_1_3 + (var_1_26 - var_1_27))) > (var_1_4)) ? ((var_1_3 + (var_1_26 - var_1_27))) : (var_1_4))))))) [L177-L178] return (((((((((((((((last_1_var_1_1 <= 2.25) ? (var_1_1 == ((double) ((((2.5) < (((var_1_3 + var_1_4) + ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) ? (2.5) : (((var_1_3 + var_1_4) + ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))))))))) : (var_1_1 == ((double) ((((((((7.6) > (var_1_3)) ? (7.6) : (var_1_3)))) > (var_1_4)) ? (((((7.6) > (var_1_3)) ? (7.6) : (var_1_3)))) : (var_1_4)))))) && ((var_1_5 != (- var_1_4)) ? (var_1_6 == ((unsigned char) (var_1_19 && var_1_8))) : (var_1_6 == ((unsigned char) var_1_9)))) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((double) (var_1_3 + ((((1000000.75) < (var_1_5)) ? (1000000.75) : (var_1_5))))))) && ((var_1_24 > var_1_25) ? ((var_1_19 && var_1_9) ? ((var_1_11 > last_1_var_1_13) ? (var_1_13 == ((unsigned char) var_1_11)) : (var_1_13 == ((unsigned char) var_1_11))) : (var_1_13 == ((unsigned char) var_1_11))) : (var_1_13 == ((unsigned char) var_1_11)))) && ((var_1_9 || (var_1_19 && var_1_8)) ? (var_1_14 == ((signed long int) ((((((((var_1_11) > (var_1_13)) ? (var_1_11) : (var_1_13)))) < (last_1_var_1_14)) ? (((((var_1_11) > (var_1_13)) ? (var_1_11) : (var_1_13)))) : (last_1_var_1_14))))) : (var_1_14 == ((signed long int) last_1_var_1_14)))) && ((var_1_25 <= var_1_4) ? (var_1_15 == ((unsigned char) (var_1_16 - var_1_17))) : (var_1_15 == ((unsigned char) (var_1_17 + var_1_18))))) && ((var_1_17 == ((last_1_var_1_15 * var_1_16) + var_1_18)) ? (var_1_19 == ((unsigned char) (var_1_8 || var_1_9))) : (var_1_19 == ((unsigned char) (var_1_8 && var_1_9))))) && ((((((var_1_23) < (24.4f)) ? (var_1_23) : (24.4f))) != var_1_5) ? (var_1_21 == ((signed char) ((((var_1_22) < (5)) ? (var_1_22) : (5))))) : 1)) && (var_1_23 == ((double) var_1_5))) && ((7.75 > (- var_1_12)) ? (var_1_24 == ((float) (var_1_3 + var_1_5))) : (var_1_24 == ((float) ((((9999.2f) < ((var_1_5 + var_1_4))) ? (9999.2f) : ((var_1_5 + var_1_4)))))))) && ((last_1_var_1_14 > (last_1_var_1_30 | ((((var_1_17) < (var_1_11)) ? (var_1_17) : (var_1_11))))) ? (var_1_25 == ((double) ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) < (var_1_3)) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : (var_1_3))))) : ((99.3f <= var_1_3) ? (var_1_25 == ((double) (var_1_4 + var_1_5))) : (var_1_25 == ((double) (((((var_1_3 + (var_1_26 - var_1_27))) > (var_1_4)) ? ((var_1_3 + (var_1_26 - var_1_27))) : (var_1_4)))))))) && ((((var_1_29 - 7.25f) - var_1_27) > var_1_23) ? ((var_1_26 != (var_1_23 * ((((var_1_29) < 0 ) ? -(var_1_29) : (var_1_29))))) ? (var_1_28 == ((signed short int) (var_1_14 + (((((var_1_16) > (var_1_13)) ? (var_1_16) : (var_1_13))) - (var_1_14 + var_1_11))))) : (var_1_28 == ((signed short int) var_1_18))) : ((var_1_12 <= var_1_23) ? (var_1_28 == ((signed short int) var_1_17)) : (var_1_28 == ((signed short int) var_1_14))))) && (var_1_30 == ((unsigned char) var_1_11))) && (var_1_31 == ((unsigned long int) var_1_14)) ; [L188] RET, EXPR property() [L188] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=64, var_1_11=64, var_1_13=64, var_1_14=1, var_1_15=64, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=5/2, var_1_21=-32, var_1_22=5, var_1_23=2, var_1_24=49996/5, var_1_25=3, var_1_28=64, var_1_30=64, var_1_31=1, var_1_3=5/2, var_1_4=0, var_1_5=2, var_1_6=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=0, last_1_var_1_14=1, last_1_var_1_15=128, last_1_var_1_1=203/4, last_1_var_1_30=2, var_1_10=64, var_1_11=64, var_1_13=64, var_1_14=1, var_1_15=64, var_1_16=128, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=5/2, var_1_21=-32, var_1_22=5, var_1_23=2, var_1_24=49996/5, var_1_25=3, var_1_28=64, var_1_30=64, var_1_31=1, var_1_3=5/2, var_1_4=0, var_1_5=2, var_1_6=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 20, 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=42occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 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 [2023-11-23 21:20:08,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aeac736475d2e9b0ab566775f61df15337d707594a1ca30cedb7f4179e279e85 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:20:11,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:20:11,400 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:20:11,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:20:11,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:20:11,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:20:11,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:20:11,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:20:11,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:20:11,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:20:11,474 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:20:11,475 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:20:11,475 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:20:11,477 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:20:11,478 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:20:11,478 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:20:11,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:20:11,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:20:11,481 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:20:11,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:20:11,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:20:11,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:20:11,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:20:11,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:20:11,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:20:11,484 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:20:11,485 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:20:11,486 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:20:11,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:20:11,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:20:11,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:20:11,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:20:11,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:20:11,489 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:20:11,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:11,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:20:11,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:20:11,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:20:11,491 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:20:11,492 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:20:11,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:20:11,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:20:11,493 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:20:11,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:20:11,494 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_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeac736475d2e9b0ab566775f61df15337d707594a1ca30cedb7f4179e279e85 [2023-11-23 21:20:12,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:20:12,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:20:12,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:20:12,046 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:20:12,046 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:20:12,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i [2023-11-23 21:20:16,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:20:16,382 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:20:16,383 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i [2023-11-23 21:20:16,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/data/c92bea748/77ce09815d774adfb0f36ab39902f981/FLAG8ae96e892 [2023-11-23 21:20:16,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/data/c92bea748/77ce09815d774adfb0f36ab39902f981 [2023-11-23 21:20:16,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:20:16,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:20:16,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:16,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:20:16,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:20:16,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:16" (1/1) ... [2023-11-23 21:20:16,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@384d439f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:16, skipping insertion in model container [2023-11-23 21:20:16,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:20:16" (1/1) ... [2023-11-23 21:20:16,490 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:20:16,737 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_b0f227f4-885b-4c08-9274-1059eea09707/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i[916,929] [2023-11-23 21:20:16,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:16,948 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:20:16,973 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_b0f227f4-885b-4c08-9274-1059eea09707/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-42.i[916,929] [2023-11-23 21:20:17,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:20:17,076 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:20:17,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17 WrapperNode [2023-11-23 21:20:17,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:20:17,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:17,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:20:17,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:20:17,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,125 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,195 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 182 [2023-11-23 21:20:17,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:20:17,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:20:17,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:20:17,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:20:17,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:20:17,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:20:17,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:20:17,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:20:17,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (1/1) ... [2023-11-23 21:20:17,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:20:17,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:20:17,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:20:17,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:20:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:20:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:20:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:20:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:20:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:20:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:20:17,645 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:20:17,666 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:20:31,603 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:20:31,684 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:20:31,690 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:20:31,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:31 BoogieIcfgContainer [2023-11-23 21:20:31,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:20:31,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:20:31,695 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:20:31,698 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:20:31,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:20:16" (1/3) ... [2023-11-23 21:20:31,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13badd05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:31, skipping insertion in model container [2023-11-23 21:20:31,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:20:17" (2/3) ... [2023-11-23 21:20:31,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13badd05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:20:31, skipping insertion in model container [2023-11-23 21:20:31,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:20:31" (3/3) ... [2023-11-23 21:20:31,703 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-42.i [2023-11-23 21:20:31,724 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:20:31,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:20:31,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:20:31,795 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;@672f4c79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:20:31,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:20:31,801 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 42 states have internal predecessors, (61), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:20:31,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 21:20:31,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:31,819 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:31,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:31,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:31,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1101827573, now seen corresponding path program 1 times [2023-11-23 21:20:31,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:20:31,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [38328005] [2023-11-23 21:20:31,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:31,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:20:31,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:20:31,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:20:31,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:20:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:33,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:20:33,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:20:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-23 21:20:33,105 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:20:33,106 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:20:33,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [38328005] [2023-11-23 21:20:33,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [38328005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:33,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:33,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:20:33,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985417557] [2023-11-23 21:20:33,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:33,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:20:33,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:20:33,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:20:33,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:20:33,166 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 42 states have internal predecessors, (61), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:20:34,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:36,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:36,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:36,767 INFO L93 Difference]: Finished difference Result 127 states and 221 transitions. [2023-11-23 21:20:36,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:20:36,770 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 132 [2023-11-23 21:20:36,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:36,779 INFO L225 Difference]: With dead ends: 127 [2023-11-23 21:20:36,779 INFO L226 Difference]: Without dead ends: 62 [2023-11-23 21:20:36,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:20:36,788 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:36,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2023-11-23 21:20:36,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-11-23 21:20:36,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-11-23 21:20:36,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 40 states have (on average 1.4) internal successors, (56), 40 states have internal predecessors, (56), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:20:36,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 96 transitions. [2023-11-23 21:20:36,853 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 96 transitions. Word has length 132 [2023-11-23 21:20:36,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:36,853 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 96 transitions. [2023-11-23 21:20:36,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 21:20:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions. [2023-11-23 21:20:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-23 21:20:36,858 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:36,858 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:36,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:20:37,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:20:37,063 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:37,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:37,063 INFO L85 PathProgramCache]: Analyzing trace with hash 776357493, now seen corresponding path program 1 times [2023-11-23 21:20:37,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:20:37,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1803201414] [2023-11-23 21:20:37,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:37,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:20:37,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:20:37,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:20:37,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0f227f4-885b-4c08-9274-1059eea09707/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:20:38,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:38,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 21:20:38,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:20:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-23 21:20:43,535 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:20:43,536 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:20:43,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1803201414] [2023-11-23 21:20:43,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1803201414] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:43,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:20:43,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:20:43,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681704892] [2023-11-23 21:20:43,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:43,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:20:43,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:20:43,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:20:43,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:20:43,542 INFO L87 Difference]: Start difference. First operand 62 states and 96 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 21:20:45,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:49,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:20:51,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:20:53,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:20:55,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-23 21:20:57,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []