./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX --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 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:43:10,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:43:10,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:43:10,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:43:10,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:43:10,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:43:10,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:43:10,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:43:10,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:43:10,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:43:10,399 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:43:10,401 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:43:10,402 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:43:10,404 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:43:10,404 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:43:10,405 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:43:10,405 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:43:10,406 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:43:10,407 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:43:10,407 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:43:10,408 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:43:10,409 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:43:10,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:43:10,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:43:10,411 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:43:10,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:43:10,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:43:10,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:43:10,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:43:10,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:43:10,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:43:10,416 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:43:10,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:43:10,416 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:43:10,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:43:10,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:43:10,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:10,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:43:10,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:43:10,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:43:10,418 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:43:10,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:43:10,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:43:10,419 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:43:10,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:43:10,420 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_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 [2023-11-12 00:43:10,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:43:10,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:43:10,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:43:10,760 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:43:10,761 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:43:10,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-12 00:43:13,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:43:14,272 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:43:14,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-12 00:43:14,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/data/1f0ecb442/744abfe47d5f4c2bb0249635c97146d6/FLAG3d25654df [2023-11-12 00:43:14,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/data/1f0ecb442/744abfe47d5f4c2bb0249635c97146d6 [2023-11-12 00:43:14,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:43:14,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:43:14,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:14,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:43:14,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:43:14,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c6b7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14, skipping insertion in model container [2023-11-12 00:43:14,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,367 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:43:14,550 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_c52816a1-ce09-4059-a389-6d77a943759c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-12 00:43:14,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:14,678 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:43:14,691 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_c52816a1-ce09-4059-a389-6d77a943759c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-12 00:43:14,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:14,813 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:43:14,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14 WrapperNode [2023-11-12 00:43:14,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:14,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:14,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:43:14,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:43:14,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,907 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2023-11-12 00:43:14,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:14,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:43:14,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:43:14,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:43:14,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,947 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:43:14,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:43:14,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:43:14,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:43:14,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (1/1) ... [2023-11-12 00:43:14,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:14,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:15,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:43:15,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:43:15,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:43:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:43:15,055 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:43:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:43:15,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:43:15,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:43:15,220 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:43:15,224 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:43:15,943 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:43:16,563 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:43:16,564 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:43:16,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:16 BoogieIcfgContainer [2023-11-12 00:43:16,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:43:16,570 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:43:16,570 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:43:16,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:43:16,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:43:14" (1/3) ... [2023-11-12 00:43:16,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4a9f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:16, skipping insertion in model container [2023-11-12 00:43:16,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:14" (2/3) ... [2023-11-12 00:43:16,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4a9f8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:16, skipping insertion in model container [2023-11-12 00:43:16,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:16" (3/3) ... [2023-11-12 00:43:16,580 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-12 00:43:16,601 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:43:16,602 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:43:16,669 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:43:16,676 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;@2f9bf365, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:43:16,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:43:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:43:16,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-12 00:43:16,691 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:16,691 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:16,692 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:43:16,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:16,697 INFO L85 PathProgramCache]: Analyzing trace with hash 231453889, now seen corresponding path program 1 times [2023-11-12 00:43:16,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:43:16,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828207690] [2023-11-12 00:43:16,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:16,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:43:17,008 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:43:17,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275063688] [2023-11-12 00:43:17,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:17,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:43:17,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:17,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:43:17,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:43:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:43:17,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:43:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:43:17,765 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:43:17,767 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:43:17,769 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:43:17,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:43:17,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:43:17,982 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:43:17,986 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:43:18,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:43:18 BoogieIcfgContainer [2023-11-12 00:43:18,115 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:43:18,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:43:18,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:43:18,116 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:43:18,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:16" (3/4) ... [2023-11-12 00:43:18,120 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:43:18,121 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:43:18,123 INFO L158 Benchmark]: Toolchain (without parser) took 3813.15ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 113.2MB in the beginning and 125.2MB in the end (delta: -12.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-12 00:43:18,124 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:43:18,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.12ms. Allocated memory is still 146.8MB. Free memory was 113.2MB in the beginning and 96.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:43:18,127 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.90ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 91.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:43:18,133 INFO L158 Benchmark]: Boogie Preprocessor took 58.81ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:43:18,135 INFO L158 Benchmark]: RCFGBuilder took 1599.06ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 88.9MB in the beginning and 99.6MB in the end (delta: -10.7MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-11-12 00:43:18,137 INFO L158 Benchmark]: TraceAbstraction took 1545.33ms. Allocated memory is still 186.6MB. Free memory was 98.5MB in the beginning and 125.2MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:43:18,137 INFO L158 Benchmark]: Witness Printer took 6.03ms. Allocated memory is still 186.6MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:43:18,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.12ms. Allocated memory is still 146.8MB. Free memory was 113.2MB in the beginning and 96.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.90ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 91.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.81ms. Allocated memory is still 146.8MB. Free memory was 91.0MB in the beginning and 88.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1599.06ms. Allocated memory was 146.8MB in the beginning and 186.6MB in the end (delta: 39.8MB). Free memory was 88.9MB in the beginning and 99.6MB in the end (delta: -10.7MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1545.33ms. Allocated memory is still 186.6MB. Free memory was 98.5MB in the beginning and 125.2MB in the end (delta: -26.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.03ms. Allocated memory is still 186.6MB. Free memory is still 125.2MB. 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 someBinaryArithmeticDOUBLEoperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 178, overapproximation of bitwiseOr at line 101, overapproximation of bitwiseAnd at line 113, overapproximation of someUnaryDOUBLEoperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryArithmeticFLOAToperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_8 = 0; [L24] unsigned char var_1_9 = 1; [L25] signed short int var_1_10 = 1000; [L26] signed long int var_1_11 = -10; [L27] signed short int var_1_12 = 16; [L28] signed short int var_1_14 = 0; [L29] double var_1_16 = 7.3; [L30] double var_1_17 = 0.2; [L31] float var_1_18 = 3.5; [L32] float var_1_19 = 128.2; [L33] float var_1_20 = 5.8; [L34] signed char var_1_21 = 16; [L35] unsigned char var_1_22 = 1; [L36] signed long int var_1_23 = -128; [L37] unsigned short int var_1_24 = 128; [L38] float var_1_26 = 31.25; [L39] float var_1_27 = 0.6; [L40] float var_1_28 = 127.2; [L41] float var_1_29 = 128.18; [L42] float var_1_30 = 31.8; [L43] unsigned char var_1_31 = 25; [L44] unsigned char var_1_33 = 5; [L45] unsigned char var_1_34 = 2; [L46] unsigned char var_1_35 = 128; [L47] unsigned char last_1_var_1_1 = 1; [L48] signed short int last_1_var_1_14 = 0; [L49] signed long int last_1_var_1_23 = -128; [L50] unsigned char last_1_var_1_31 = 25; [L182] isInitial = 1 [L183] FCALL initially() [L184] int k_loop; [L185] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L185] COND TRUE k_loop < 1 [L186] CALL updateLastVariables() [L172] last_1_var_1_1 = var_1_1 [L173] last_1_var_1_14 = var_1_14 [L174] last_1_var_1_23 = var_1_23 [L175] last_1_var_1_31 = var_1_31 [L186] RET updateLastVariables() [L187] CALL updateVariables() [L132] var_1_8 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_9=1] [L134] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L135] var_1_9 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L137] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=-10, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L138] var_1_11 = __VERIFIER_nondet_long() [L139] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L141] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=16, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L142] var_1_12 = __VERIFIER_nondet_short() [L143] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=1/5, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L145] var_1_17 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_17 >= -230584.3009213691390e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 2305843.009213691390e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=641/5, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L147] var_1_19 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=16, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L149] var_1_21 = __VERIFIER_nondet_char() [L150] CALL assume_abort_if_not(var_1_21 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_21 >= -128) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L151] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L152] CALL assume_abort_if_not(var_1_21 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_21 != 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3/5, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L153] var_1_27 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=636/5, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L155] var_1_28 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=6409/50, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L157] var_1_29 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_29 >= 0.0F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=159/5, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L159] var_1_30 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 9223372.036854765600e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=5, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L161] var_1_33 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_33 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_33 <= 64) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=2, var_1_35=128, var_1_8=0, var_1_9=1] [L164] var_1_34 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=128, var_1_8=0, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_34 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=128, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_34 <= 63) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=128, var_1_8=0, var_1_9=1] [L167] var_1_35 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_35 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_35 >= 127) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] [L169] CALL assume_abort_if_not(var_1_35 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_35 <= 254) VAL [isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=1000, var_1_11=1, var_1_12=-1, var_1_14=0, var_1_16=73/10, var_1_17=9, var_1_18=7/2, var_1_19=2, var_1_1=1, var_1_20=29/5, var_1_21=50, var_1_22=1, var_1_23=-128, var_1_24=128, var_1_26=125/4, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=25, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] [L187] RET updateVariables() [L188] CALL step() [L54] COND TRUE (-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11) [L55] var_1_10 = ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))) [L59] signed long int stepLocal_8 = last_1_var_1_14; [L60] unsigned char stepLocal_7 = last_1_var_1_14 <= (last_1_var_1_14 * var_1_12); [L61] COND TRUE stepLocal_7 && last_1_var_1_1 [L62] COND FALSE !(last_1_var_1_31 <= stepLocal_8) [L69] var_1_31 = var_1_33 [L74] var_1_14 = (-2 + (last_1_var_1_31 + last_1_var_1_31)) [L75] unsigned char stepLocal_1 = var_1_31; [L76] COND TRUE stepLocal_1 == (-128 * var_1_31) [L77] var_1_16 = (((((0.875 + (var_1_17 + 64.4))) > (1.0000000000000005E15)) ? ((0.875 + (var_1_17 + 64.4))) : (1.0000000000000005E15))) [L81] COND FALSE !(\read(var_1_8)) [L84] var_1_26 = ((((var_1_17) < ((var_1_29 - var_1_30))) ? (var_1_17) : ((var_1_29 - var_1_30)))) [L86] signed short int stepLocal_6 = var_1_10; [L87] COND FALSE !(stepLocal_6 >= ((((var_1_11) < ((var_1_31 * var_1_14))) ? (var_1_11) : ((var_1_31 * var_1_14))))) [L90] var_1_24 = var_1_31 [L92] signed long int stepLocal_5 = 25 * var_1_14; [L93] COND TRUE ! (var_1_31 <= var_1_10) [L94] COND FALSE !(var_1_10 >= stepLocal_5) [L97] var_1_23 = ((var_1_10 + var_1_14) + var_1_24) [L100] unsigned char stepLocal_0 = ((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31; [L101] EXPR var_1_31 | var_1_24 [L101] COND TRUE ((var_1_31 | var_1_24) <= var_1_31) || stepLocal_0 [L102] var_1_1 = ((! 1) && var_1_8) [L106] unsigned char stepLocal_2 = var_1_31; [L107] COND TRUE ((var_1_24 + -16) * var_1_23) >= stepLocal_2 [L108] var_1_18 = (64.9f + var_1_19) [L112] signed long int stepLocal_3 = var_1_14 % var_1_21; [L113] EXPR var_1_31 & var_1_24 [L113] COND TRUE stepLocal_3 >= (var_1_31 & var_1_24) [L114] var_1_20 = ((((((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) < (var_1_19)) ? (((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) : (var_1_19))) [L118] unsigned long int stepLocal_4 = ~ (var_1_31 * 128u); [L119] COND FALSE !(! (var_1_10 <= var_1_23)) [L128] var_1_22 = var_1_9 [L188] RET step() [L189] CALL, EXPR property() [L178] EXPR var_1_31 | var_1_24 [L178] EXPR ((((((((var_1_31 | var_1_24) <= var_1_31) || (((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31)) ? (var_1_1 == ((unsigned char) ((! 1) && var_1_8))) : (var_1_1 == ((unsigned char) var_1_9))) && (((-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11)) ? (var_1_10 == ((signed short int) ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))))) : (var_1_10 == ((signed short int) (last_1_var_1_31 - last_1_var_1_31))))) && (var_1_14 == ((signed short int) (-2 + (last_1_var_1_31 + last_1_var_1_31))))) && ((var_1_31 == (-128 * var_1_31)) ? (var_1_16 == ((double) (((((0.875 + (var_1_17 + 64.4))) > (1.0000000000000005E15)) ? ((0.875 + (var_1_17 + 64.4))) : (1.0000000000000005E15))))) : (var_1_16 == ((double) var_1_17)))) && ((((var_1_24 + -16) * var_1_23) >= var_1_31) ? (var_1_18 == ((float) (64.9f + var_1_19))) : (var_1_18 == ((float) var_1_17)))) && (((var_1_14 % var_1_21) >= (var_1_31 & var_1_24)) ? (var_1_20 == ((float) ((((((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) < (var_1_19)) ? (((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) : (var_1_19))))) : (var_1_20 == ((float) var_1_19))) [L178-L179] return (((((((((((((var_1_31 | var_1_24) <= var_1_31) || (((((var_1_24) < (var_1_14)) ? (var_1_24) : (var_1_14))) > var_1_31)) ? (var_1_1 == ((unsigned char) ((! 1) && var_1_8))) : (var_1_1 == ((unsigned char) var_1_9))) && (((-16 * last_1_var_1_23) > (((((last_1_var_1_23) < (last_1_var_1_23)) ? (last_1_var_1_23) : (last_1_var_1_23))) / var_1_11)) ? (var_1_10 == ((signed short int) ((((last_1_var_1_14) < (last_1_var_1_23)) ? (last_1_var_1_14) : (last_1_var_1_23))))) : (var_1_10 == ((signed short int) (last_1_var_1_31 - last_1_var_1_31))))) && (var_1_14 == ((signed short int) (-2 + (last_1_var_1_31 + last_1_var_1_31))))) && ((var_1_31 == (-128 * var_1_31)) ? (var_1_16 == ((double) (((((0.875 + (var_1_17 + 64.4))) > (1.0000000000000005E15)) ? ((0.875 + (var_1_17 + 64.4))) : (1.0000000000000005E15))))) : (var_1_16 == ((double) var_1_17)))) && ((((var_1_24 + -16) * var_1_23) >= var_1_31) ? (var_1_18 == ((float) (64.9f + var_1_19))) : (var_1_18 == ((float) var_1_17)))) && (((var_1_14 % var_1_21) >= (var_1_31 & var_1_24)) ? (var_1_20 == ((float) ((((((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) < (var_1_19)) ? (((((63.5f + var_1_17) < 0 ) ? -(63.5f + var_1_17) : (63.5f + var_1_17)))) : (var_1_19))))) : (var_1_20 == ((float) var_1_19)))) && ((! (var_1_10 <= var_1_23)) ? (var_1_1 ? (((~ (var_1_31 * 128u)) == var_1_23) ? (var_1_22 == ((unsigned char) (! var_1_9))) : 1) : (var_1_22 == ((unsigned char) var_1_9))) : (var_1_22 == ((unsigned char) var_1_9)))) && ((! (var_1_31 <= var_1_10)) ? ((var_1_10 >= (25 * var_1_14)) ? (var_1_23 == ((signed long int) ((((var_1_24) < (var_1_10)) ? (var_1_24) : (var_1_10))))) : (var_1_23 == ((signed long int) ((var_1_10 + var_1_14) + var_1_24)))) : 1)) && ((var_1_10 >= ((((var_1_11) < ((var_1_31 * var_1_14))) ? (var_1_11) : ((var_1_31 * var_1_14))))) ? (var_1_24 == ((unsigned short int) ((((var_1_31) < (var_1_31)) ? (var_1_31) : (var_1_31))))) : (var_1_24 == ((unsigned short int) var_1_31)))) && (var_1_8 ? (var_1_26 == ((float) (var_1_19 + ((var_1_27 + var_1_28) + var_1_17)))) : (var_1_26 == ((float) ((((var_1_17) < ((var_1_29 - var_1_30))) ? (var_1_17) : ((var_1_29 - var_1_30)))))))) && (((last_1_var_1_14 <= (last_1_var_1_14 * var_1_12)) && last_1_var_1_1) ? ((last_1_var_1_31 <= last_1_var_1_14) ? (((- var_1_19) >= var_1_17) ? (var_1_31 == ((unsigned char) (128 - ((((100) < ((var_1_33 + var_1_34))) ? (100) : ((var_1_33 + var_1_34))))))) : (var_1_31 == ((unsigned char) (var_1_35 - 5)))) : (var_1_31 == ((unsigned char) var_1_33))) : (var_1_31 == ((unsigned char) var_1_33))) ; [L189] RET, EXPR property() [L189] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=-128, var_1_11=1, var_1_12=-1, var_1_14=48, var_1_16=7, var_1_17=9, var_1_18=0, var_1_19=2, var_1_1=0, var_1_20=8, var_1_21=50, var_1_22=1, var_1_23=-80, var_1_24=0, var_1_26=9, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=0, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=0, last_1_var_1_1=1, last_1_var_1_23=-128, last_1_var_1_31=25, var_1_10=-128, var_1_11=1, var_1_12=-1, var_1_14=48, var_1_16=7, var_1_17=9, var_1_18=0, var_1_19=2, var_1_1=0, var_1_20=8, var_1_21=50, var_1_22=1, var_1_23=-80, var_1_24=0, var_1_26=9, var_1_27=3, var_1_28=4, var_1_29=5, var_1_30=6, var_1_31=0, var_1_33=0, var_1_34=63, var_1_35=254, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 24, 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=47occurred 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, 90 NumberOfCodeBlocks, 90 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 [2023-11-12 00:43:18,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/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_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX --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 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:43:21,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:43:21,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:43:21,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:43:21,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:43:21,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:43:21,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:43:21,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:43:21,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:43:21,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:43:21,221 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:43:21,222 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:43:21,223 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:43:21,225 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:43:21,225 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:43:21,226 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:43:21,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:43:21,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:43:21,228 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:43:21,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:43:21,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:43:21,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:43:21,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:43:21,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:43:21,233 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:43:21,233 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:43:21,234 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:43:21,234 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:43:21,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:43:21,235 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:43:21,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:43:21,237 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:43:21,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:43:21,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:21,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:43:21,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:43:21,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:43:21,240 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:43:21,240 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:43:21,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:43:21,241 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:43:21,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:43:21,242 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_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86663a1cbbd8911dd5f20f51fde174aa6fa49f328dd842d1c9d2dbaf89183ee7 [2023-11-12 00:43:21,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:43:21,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:43:21,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:43:21,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:43:21,845 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:43:21,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-12 00:43:25,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:43:25,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:43:25,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-12 00:43:25,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/data/3d5678b25/201c7e46205c467cbb050c55f29383d8/FLAGa40998c01 [2023-11-12 00:43:25,686 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/data/3d5678b25/201c7e46205c467cbb050c55f29383d8 [2023-11-12 00:43:25,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:43:25,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:43:25,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:25,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:43:25,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:43:25,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d85d725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:25, skipping insertion in model container [2023-11-12 00:43:25,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:43:25" (1/1) ... [2023-11-12 00:43:25,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:43:25,944 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_c52816a1-ce09-4059-a389-6d77a943759c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-12 00:43:26,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:26,104 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:43:26,117 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_c52816a1-ce09-4059-a389-6d77a943759c/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-17.i[916,929] [2023-11-12 00:43:26,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:43:26,178 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:43:26,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26 WrapperNode [2023-11-12 00:43:26,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:43:26,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:26,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:43:26,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:43:26,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,235 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-12 00:43:26,235 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:43:26,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:43:26,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:43:26,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:43:26,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:43:26,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:43:26,337 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:43:26,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:43:26,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (1/1) ... [2023-11-12 00:43:26,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:43:26,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:43:26,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:43:26,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:43:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:43:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:43:26,426 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:43:26,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:43:26,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:43:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:43:26,571 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:43:26,573 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:43:35,289 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:43:35,299 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:43:35,299 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:43:35,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:35 BoogieIcfgContainer [2023-11-12 00:43:35,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:43:35,305 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:43:35,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:43:35,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:43:35,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:43:25" (1/3) ... [2023-11-12 00:43:35,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40bac10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:35, skipping insertion in model container [2023-11-12 00:43:35,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:43:26" (2/3) ... [2023-11-12 00:43:35,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40bac10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:43:35, skipping insertion in model container [2023-11-12 00:43:35,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:43:35" (3/3) ... [2023-11-12 00:43:35,314 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-17.i [2023-11-12 00:43:35,338 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:43:35,339 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:43:35,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:43:35,410 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;@1375e3f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:43:35,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:43:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 55 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:43:35,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 00:43:35,438 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:35,439 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:35,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:43:35,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:35,446 INFO L85 PathProgramCache]: Analyzing trace with hash -189798856, now seen corresponding path program 1 times [2023-11-12 00:43:35,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:43:35,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345760741] [2023-11-12 00:43:35,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:35,465 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 [2023-11-12 00:43:35,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:43:35,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:43:35,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:43:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:36,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:43:36,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:43:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-12 00:43:36,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:43:36,934 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:43:36,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345760741] [2023-11-12 00:43:36,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345760741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:36,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:43:36,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:43:36,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776125832] [2023-11-12 00:43:36,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:36,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:43:36,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:43:36,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:43:36,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:43:36,985 INFO L87 Difference]: Start difference. First operand has 81 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 55 states have internal predecessors, (74), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:43:37,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:37,028 INFO L93 Difference]: Finished difference Result 159 states and 265 transitions. [2023-11-12 00:43:37,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:43:37,031 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2023-11-12 00:43:37,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:37,042 INFO L225 Difference]: With dead ends: 159 [2023-11-12 00:43:37,042 INFO L226 Difference]: Without dead ends: 77 [2023-11-12 00:43:37,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:43:37,053 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:37,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:43:37,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-12 00:43:37,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-12 00:43:37,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 00:43:37,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2023-11-12 00:43:37,120 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 161 [2023-11-12 00:43:37,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:37,121 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2023-11-12 00:43:37,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-12 00:43:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2023-11-12 00:43:37,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-12 00:43:37,127 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:37,127 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:37,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:43:37,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:43:37,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:43:37,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:37,353 INFO L85 PathProgramCache]: Analyzing trace with hash 579082884, now seen corresponding path program 1 times [2023-11-12 00:43:37,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:43:37,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906007873] [2023-11-12 00:43:37,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:37,355 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 [2023-11-12 00:43:37,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:43:37,357 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:43:37,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:43:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:38,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 00:43:38,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:43:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:43:41,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:43:41,766 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:43:41,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906007873] [2023-11-12 00:43:41,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906007873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:43:41,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:43:41,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:43:41,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506926541] [2023-11-12 00:43:41,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:43:41,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:43:41,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:43:41,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:43:41,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:43:41,779 INFO L87 Difference]: Start difference. First operand 77 states and 115 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:43:45,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:43:47,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:43:49,080 WARN L539 Checker$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 [] [2023-11-12 00:43:51,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:43:53,687 WARN L539 Checker$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 [] [2023-11-12 00:43:55,690 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 [] [2023-11-12 00:43:55,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:43:55,691 INFO L93 Difference]: Finished difference Result 226 states and 340 transitions. [2023-11-12 00:43:55,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 00:43:55,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 161 [2023-11-12 00:43:55,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:43:55,787 INFO L225 Difference]: With dead ends: 226 [2023-11-12 00:43:55,787 INFO L226 Difference]: Without dead ends: 152 [2023-11-12 00:43:55,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 00:43:55,790 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 106 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 49 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2023-11-12 00:43:55,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 375 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 76 Invalid, 6 Unknown, 0 Unchecked, 13.7s Time] [2023-11-12 00:43:55,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-12 00:43:55,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 124. [2023-11-12 00:43:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 73 states have (on average 1.2328767123287672) internal successors, (90), 73 states have internal predecessors, (90), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-12 00:43:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 186 transitions. [2023-11-12 00:43:55,830 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 186 transitions. Word has length 161 [2023-11-12 00:43:55,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:43:55,832 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 186 transitions. [2023-11-12 00:43:55,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:43:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 186 transitions. [2023-11-12 00:43:55,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-12 00:43:55,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:43:55,836 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:43:55,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 00:43:56,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:43:56,060 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:43:56,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:43:56,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1113000714, now seen corresponding path program 1 times [2023-11-12 00:43:56,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:43:56,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2124904327] [2023-11-12 00:43:56,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:56,063 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 [2023-11-12 00:43:56,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:43:56,071 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:43:56,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 00:43:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:43:57,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 00:43:57,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:43:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 113 proven. 66 refuted. 0 times theorem prover too weak. 925 trivial. 0 not checked. [2023-11-12 00:43:58,645 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 00:43:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-12 00:43:59,482 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:43:59,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2124904327] [2023-11-12 00:43:59,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2124904327] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 00:43:59,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1781356239] [2023-11-12 00:43:59,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:43:59,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:43:59,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 00:43:59,535 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:43:59,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c52816a1-ce09-4059-a389-6d77a943759c/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-12 00:44:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:44:01,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 00:44:01,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:44:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-12 00:44:03,841 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:44:03,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1781356239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:44:03,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-12 00:44:03,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2023-11-12 00:44:03,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096927348] [2023-11-12 00:44:03,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:44:03,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:44:03,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:44:03,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:44:03,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-12 00:44:03,845 INFO L87 Difference]: Start difference. First operand 124 states and 186 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-12 00:44:07,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-12 00:44:09,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]