./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91 --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 7061d7705e35ffb179f69b4cdd3a111dfb45a568e3f5347cc63566e16555668c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:48:43,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:48:43,718 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:48:43,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:48:43,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:48:43,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:48:43,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:48:43,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:48:43,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:48:43,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:48:43,781 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:48:43,782 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:48:43,782 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:48:43,784 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:48:43,785 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:48:43,785 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:48:43,786 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:48:43,786 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:48:43,788 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:48:43,789 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:48:43,789 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:48:43,790 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:48:43,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:48:43,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:48:43,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:48:43,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:48:43,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:48:43,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:48:43,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:48:43,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:48:43,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:48:43,796 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:48:43,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:48:43,797 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:48:43,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:48:43,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:48:43,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:48:43,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:48:43,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:48:43,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:48:43,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:48:43,800 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:48:43,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:48:43,800 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:48:43,801 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:48:43,801 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:48:43,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:48:43,802 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_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7061d7705e35ffb179f69b4cdd3a111dfb45a568e3f5347cc63566e16555668c [2023-11-24 23:48:44,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:48:44,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:48:44,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:48:44,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:48:44,169 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:48:44,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i [2023-11-24 23:48:47,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:48:47,611 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:48:47,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i [2023-11-24 23:48:47,633 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/data/be5da17e3/fe61f20c3bae48b0a471e76c22ab63d6/FLAG3140a2103 [2023-11-24 23:48:47,649 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/data/be5da17e3/fe61f20c3bae48b0a471e76c22ab63d6 [2023-11-24 23:48:47,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:48:47,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:48:47,656 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:48:47,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:48:47,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:48:47,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:48:47" (1/1) ... [2023-11-24 23:48:47,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@731979b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:47, skipping insertion in model container [2023-11-24 23:48:47,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:48:47" (1/1) ... [2023-11-24 23:48:47,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:48:47,862 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_16d48a38-f226-4b64-a0bf-9b71b269e5e3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i[915,928] [2023-11-24 23:48:47,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:48:48,023 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:48:48,042 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_16d48a38-f226-4b64-a0bf-9b71b269e5e3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i[915,928] [2023-11-24 23:48:48,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:48:48,145 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:48:48,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48 WrapperNode [2023-11-24 23:48:48,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:48:48,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:48:48,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:48:48,148 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:48:48,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,258 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2023-11-24 23:48:48,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:48:48,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:48:48,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:48:48,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:48:48,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:48:48,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:48:48,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:48:48,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:48:48,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (1/1) ... [2023-11-24 23:48:48,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:48:48,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:48:48,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:48:48,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:48:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:48:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:48:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:48:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:48:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:48:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:48:48,645 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:48:48,648 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:48:49,399 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:48:49,821 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:48:49,821 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:48:49,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:48:49 BoogieIcfgContainer [2023-11-24 23:48:49,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:48:49,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:48:49,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:48:49,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:48:49,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:48:47" (1/3) ... [2023-11-24 23:48:49,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db0237b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:48:49, skipping insertion in model container [2023-11-24 23:48:49,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:48" (2/3) ... [2023-11-24 23:48:49,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db0237b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:48:49, skipping insertion in model container [2023-11-24 23:48:49,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:48:49" (3/3) ... [2023-11-24 23:48:49,834 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-0.i [2023-11-24 23:48:49,854 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:48:49,855 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:48:49,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:48:49,912 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;@1dc099ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:48:49,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:48:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-24 23:48:49,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 23:48:49,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:48:49,930 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:48:49,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:48:49,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:48:49,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1316909415, now seen corresponding path program 1 times [2023-11-24 23:48:49,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:48:49,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215163938] [2023-11-24 23:48:49,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:48:49,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:48:50,203 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:48:50,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [448920035] [2023-11-24 23:48:50,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:48:50,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:48:50,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:48:50,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:48:50,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:48:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:48:50,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:48:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:48:51,180 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:48:51,183 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:48:51,184 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:48:51,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-24 23:48:51,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:48:51,397 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:48:51,401 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:48:51,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:48:51 BoogieIcfgContainer [2023-11-24 23:48:51,507 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:48:51,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:48:51,508 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:48:51,508 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:48:51,509 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:48:49" (3/4) ... [2023-11-24 23:48:51,511 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:48:51,512 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:48:51,514 INFO L158 Benchmark]: Toolchain (without parser) took 3859.41ms. Allocated memory was 172.0MB in the beginning and 220.2MB in the end (delta: 48.2MB). Free memory was 125.4MB in the beginning and 103.7MB in the end (delta: 21.7MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2023-11-24 23:48:51,514 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 68.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:48:51,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.60ms. Allocated memory is still 172.0MB. Free memory was 125.2MB in the beginning and 108.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:48:51,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.51ms. Allocated memory is still 172.0MB. Free memory was 108.1MB in the beginning and 99.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 23:48:51,517 INFO L158 Benchmark]: Boogie Preprocessor took 125.55ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 96.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:48:51,517 INFO L158 Benchmark]: RCFGBuilder took 1435.21ms. Allocated memory was 172.0MB in the beginning and 220.2MB in the end (delta: 48.2MB). Free memory was 96.1MB in the beginning and 151.9MB in the end (delta: -55.9MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. [2023-11-24 23:48:51,518 INFO L158 Benchmark]: TraceAbstraction took 1680.92ms. Allocated memory is still 220.2MB. Free memory was 150.9MB in the beginning and 103.7MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-24 23:48:51,519 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 220.2MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:48:51,523 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 68.5MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.60ms. Allocated memory is still 172.0MB. Free memory was 125.2MB in the beginning and 108.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.51ms. Allocated memory is still 172.0MB. Free memory was 108.1MB in the beginning and 99.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.55ms. Allocated memory is still 172.0MB. Free memory was 99.7MB in the beginning and 96.1MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1435.21ms. Allocated memory was 172.0MB in the beginning and 220.2MB in the end (delta: 48.2MB). Free memory was 96.1MB in the beginning and 151.9MB in the end (delta: -55.9MB). Peak memory consumption was 34.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1680.92ms. Allocated memory is still 220.2MB. Free memory was 150.9MB in the beginning and 103.7MB in the end (delta: 47.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 220.2MB. Free memory is still 103.7MB. 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 64, overapproximation of someBinaryFLOATComparisonOperation at line 169, overapproximation of bitwiseOr at line 86, overapproximation of someUnaryDOUBLEoperation at line 34, overapproximation of bitwiseAnd at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 90, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] double var_1_2 = 99999999999.3; [L24] double var_1_3 = 1.7; [L25] signed long int var_1_6 = 2; [L26] signed long int var_1_8 = 1427256974; [L27] signed short int var_1_11 = 0; [L28] signed long int var_1_14 = 256; [L29] unsigned short int var_1_15 = 2; [L30] signed short int var_1_19 = 32; [L31] double var_1_23 = 4.7; [L32] double var_1_24 = 0.0; [L33] double var_1_25 = 128.25; [L34] float var_1_26 = -0.2; [L35] float var_1_27 = 31.25; [L36] float var_1_28 = 24.4; [L37] unsigned char var_1_29 = 1; [L38] unsigned char var_1_30 = 236; [L39] unsigned char var_1_31 = 5; [L40] unsigned char var_1_32 = 1; [L41] unsigned char var_1_33 = 64; [L42] unsigned char var_1_34 = 100; [L43] unsigned char var_1_35 = 5; [L44] double var_1_36 = 7.5; [L45] signed short int var_1_37 = 16; [L46] unsigned char var_1_38 = 64; [L47] signed char var_1_39 = -1; [L48] unsigned char var_1_40 = 0; [L49] unsigned char var_1_41 = 0; [L50] unsigned short int last_1_var_1_15 = 2; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L166] last_1_var_1_15 = var_1_15 [L176] RET updateLastVariables() [L177] CALL updateVariables() [L128] var_1_2 = __VERIFIER_nondet_double() [L129] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_3=17/10, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1427256974] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_3=17/10, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1427256974] [L130] var_1_3 = __VERIFIER_nondet_double() [L131] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1427256974] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=1427256974] [L132] var_1_8 = __VERIFIER_nondet_long() [L133] CALL assume_abort_if_not(var_1_8 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 >= 1073741823) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L134] CALL assume_abort_if_not(var_1_8 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 <= 2147483646) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_24=0, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L135] var_1_24 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_24 >= 4611686.018427382800e+12F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_24 >= 4611686.018427382800e+12F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_25=513/4, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L137] var_1_25 = __VERIFIER_nondet_double() [L138] CALL assume_abort_if_not((var_1_25 >= 0.0F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not((var_1_25 >= 0.0F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 4611686.018427382800e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_27=125/4, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L139] var_1_27 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 2305843.009213691390e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 2305843.009213691390e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_28=122/5, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L141] var_1_28 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_28 >= -230584.3009213691390e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 2305843.009213691390e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=236, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L143] var_1_30 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_30 >= 222) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_30 >= 222) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L145] CALL assume_abort_if_not(var_1_30 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_30 <= 254) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=5, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L146] var_1_31 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L148] CALL assume_abort_if_not(var_1_31 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_31 <= 32) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=1, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L149] var_1_32 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L151] CALL assume_abort_if_not(var_1_32 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_32 <= 63) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=64, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L152] var_1_33 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_33 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_33 >= 63) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L154] CALL assume_abort_if_not(var_1_33 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_33 <= 127) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=100, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L155] var_1_34 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_34 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_34 >= 63) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L157] CALL assume_abort_if_not(var_1_34 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_34 <= 127) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=5, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L158] var_1_35 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L160] CALL assume_abort_if_not(var_1_35 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_35 <= 63) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=0, var_1_6=2, var_1_8=2147483646] [L161] var_1_41 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_41 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=1, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_41 >= 1) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=1, var_1_6=2, var_1_8=2147483646] [L163] CALL assume_abort_if_not(var_1_41 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=1, var_1_6=2, var_1_8=2147483646] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_41 <= 1) VAL [isInitial=1, last_1_var_1_15=2, var_1_11=0, var_1_14=256, var_1_15=2, var_1_19=32, var_1_1=64, var_1_23=47/10, var_1_29=1, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=0, var_1_36=15/2, var_1_37=16, var_1_38=64, var_1_39=-1, var_1_40=0, var_1_41=1, var_1_6=2, var_1_8=2147483646] [L177] RET updateVariables() [L178] CALL step() [L54] var_1_38 = var_1_31 [L55] var_1_39 = var_1_31 [L56] var_1_40 = var_1_41 [L57] unsigned char stepLocal_4 = var_1_40; [L58] COND TRUE stepLocal_4 && var_1_40 [L59] var_1_29 = (((var_1_30 - var_1_31) - var_1_32) - (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - ((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35))))) [L61] COND TRUE \read(var_1_40) [L62] var_1_36 = (var_1_28 + var_1_27) [L66] signed long int stepLocal_1 = ~ var_1_29; [L67] COND TRUE stepLocal_1 < var_1_8 [L68] var_1_14 = ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))) [L70] unsigned char stepLocal_2 = var_1_29; [L71] COND TRUE (last_1_var_1_15 + var_1_39) > stepLocal_2 [L72] COND TRUE \read(var_1_40) [L73] var_1_15 = (((((var_1_38) < (var_1_38)) ? (var_1_38) : (var_1_38))) + var_1_29) [L78] unsigned char stepLocal_3 = var_1_40; [L79] COND TRUE var_1_40 && stepLocal_3 [L80] var_1_19 = (var_1_29 + var_1_29) [L82] COND FALSE !(((((var_1_19) < (var_1_38)) ? (var_1_19) : (var_1_38))) > (var_1_38 - ((((var_1_15) > (5)) ? (var_1_15) : (5))))) [L85] COND FALSE !(var_1_38 > var_1_38) [L90] COND TRUE (var_1_2 - var_1_3) == (- var_1_26) [L91] COND TRUE var_1_3 <= ((var_1_26 * 1.5) + 127.4) [L92] var_1_1 = var_1_29 [L99] var_1_6 = (var_1_15 - (((((var_1_8 - var_1_15)) < (var_1_38)) ? ((var_1_8 - var_1_15)) : (var_1_38)))) [L100] signed long int stepLocal_0 = var_1_8; [L101] COND TRUE \read(var_1_40) [L102] var_1_11 = var_1_39 [L108] unsigned char stepLocal_7 = var_1_40; [L109] signed char stepLocal_6 = var_1_39; [L110] unsigned char stepLocal_5 = var_1_29; [L111] COND TRUE ((var_1_35 / var_1_34) % var_1_30) >= stepLocal_5 [L112] COND TRUE var_1_40 || stepLocal_7 [L113] EXPR var_1_38 & 64 [L113] COND FALSE !((var_1_39 * (var_1_38 & 64)) < stepLocal_6) [L120] var_1_37 = ((((((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) < (var_1_11)) ? (((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) : (var_1_11))) [L178] RET step() [L179] CALL, EXPR property() [L169] EXPR (((((((((var_1_2 - var_1_3) == (- var_1_26)) ? ((var_1_3 <= ((var_1_26 * 1.5) + 127.4)) ? (var_1_1 == ((signed short int) var_1_29)) : (var_1_1 == ((signed short int) var_1_29))) : (var_1_1 == ((signed short int) var_1_29))) && (var_1_6 == ((signed long int) (var_1_15 - (((((var_1_8 - var_1_15)) < (var_1_38)) ? ((var_1_8 - var_1_15)) : (var_1_38))))))) && (var_1_40 ? (var_1_11 == ((signed short int) var_1_39)) : ((var_1_8 <= ((((var_1_1) > (var_1_39)) ? (var_1_1) : (var_1_39)))) ? (var_1_11 == ((signed short int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1))) && (((~ var_1_29) < var_1_8) ? (var_1_14 == ((signed long int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1)) && (((last_1_var_1_15 + var_1_39) > var_1_29) ? (var_1_40 ? (var_1_15 == ((unsigned short int) (((((var_1_38) < (var_1_38)) ? (var_1_38) : (var_1_38))) + var_1_29))) : 1) : (var_1_15 == ((unsigned short int) (var_1_38 + var_1_38))))) && ((var_1_40 && var_1_40) ? (var_1_19 == ((signed short int) (var_1_29 + var_1_29))) : 1)) && ((((((var_1_19) < (var_1_38)) ? (var_1_19) : (var_1_38))) > (var_1_38 - ((((var_1_15) > (5)) ? (var_1_15) : (5))))) ? (var_1_23 == ((double) (10.65 - (var_1_24 - var_1_25)))) : 1)) && ((var_1_38 > var_1_38) ? (((var_1_38 ^ var_1_29) < var_1_8) ? (var_1_26 == ((float) (((128.05f - var_1_27) + ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) + var_1_25))) : 1) : 1) [L169] EXPR (var_1_38 > var_1_38) ? (((var_1_38 ^ var_1_29) < var_1_8) ? (var_1_26 == ((float) (((128.05f - var_1_27) + ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) + var_1_25))) : 1) : 1 [L169] EXPR (((((((((var_1_2 - var_1_3) == (- var_1_26)) ? ((var_1_3 <= ((var_1_26 * 1.5) + 127.4)) ? (var_1_1 == ((signed short int) var_1_29)) : (var_1_1 == ((signed short int) var_1_29))) : (var_1_1 == ((signed short int) var_1_29))) && (var_1_6 == ((signed long int) (var_1_15 - (((((var_1_8 - var_1_15)) < (var_1_38)) ? ((var_1_8 - var_1_15)) : (var_1_38))))))) && (var_1_40 ? (var_1_11 == ((signed short int) var_1_39)) : ((var_1_8 <= ((((var_1_1) > (var_1_39)) ? (var_1_1) : (var_1_39)))) ? (var_1_11 == ((signed short int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1))) && (((~ var_1_29) < var_1_8) ? (var_1_14 == ((signed long int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1)) && (((last_1_var_1_15 + var_1_39) > var_1_29) ? (var_1_40 ? (var_1_15 == ((unsigned short int) (((((var_1_38) < (var_1_38)) ? (var_1_38) : (var_1_38))) + var_1_29))) : 1) : (var_1_15 == ((unsigned short int) (var_1_38 + var_1_38))))) && ((var_1_40 && var_1_40) ? (var_1_19 == ((signed short int) (var_1_29 + var_1_29))) : 1)) && ((((((var_1_19) < (var_1_38)) ? (var_1_19) : (var_1_38))) > (var_1_38 - ((((var_1_15) > (5)) ? (var_1_15) : (5))))) ? (var_1_23 == ((double) (10.65 - (var_1_24 - var_1_25)))) : 1)) && ((var_1_38 > var_1_38) ? (((var_1_38 ^ var_1_29) < var_1_8) ? (var_1_26 == ((float) (((128.05f - var_1_27) + ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) + var_1_25))) : 1) : 1) [L169] EXPR ((((((((((((var_1_2 - var_1_3) == (- var_1_26)) ? ((var_1_3 <= ((var_1_26 * 1.5) + 127.4)) ? (var_1_1 == ((signed short int) var_1_29)) : (var_1_1 == ((signed short int) var_1_29))) : (var_1_1 == ((signed short int) var_1_29))) && (var_1_6 == ((signed long int) (var_1_15 - (((((var_1_8 - var_1_15)) < (var_1_38)) ? ((var_1_8 - var_1_15)) : (var_1_38))))))) && (var_1_40 ? (var_1_11 == ((signed short int) var_1_39)) : ((var_1_8 <= ((((var_1_1) > (var_1_39)) ? (var_1_1) : (var_1_39)))) ? (var_1_11 == ((signed short int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1))) && (((~ var_1_29) < var_1_8) ? (var_1_14 == ((signed long int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1)) && (((last_1_var_1_15 + var_1_39) > var_1_29) ? (var_1_40 ? (var_1_15 == ((unsigned short int) (((((var_1_38) < (var_1_38)) ? (var_1_38) : (var_1_38))) + var_1_29))) : 1) : (var_1_15 == ((unsigned short int) (var_1_38 + var_1_38))))) && ((var_1_40 && var_1_40) ? (var_1_19 == ((signed short int) (var_1_29 + var_1_29))) : 1)) && ((((((var_1_19) < (var_1_38)) ? (var_1_19) : (var_1_38))) > (var_1_38 - ((((var_1_15) > (5)) ? (var_1_15) : (5))))) ? (var_1_23 == ((double) (10.65 - (var_1_24 - var_1_25)))) : 1)) && ((var_1_38 > var_1_38) ? (((var_1_38 ^ var_1_29) < var_1_8) ? (var_1_26 == ((float) (((128.05f - var_1_27) + ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) + var_1_25))) : 1) : 1)) && ((var_1_40 && var_1_40) ? (var_1_29 == ((unsigned char) (((var_1_30 - var_1_31) - var_1_32) - (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - ((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35))))))) : 1)) && (var_1_40 ? (var_1_36 == ((double) (var_1_28 + var_1_27))) : (var_1_36 == ((double) ((var_1_27 + var_1_28) + ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))))) && ((((var_1_35 / var_1_34) % var_1_30) >= var_1_29) ? ((var_1_40 || var_1_40) ? (((var_1_39 * (var_1_38 & 64)) < var_1_39) ? (((var_1_27 - var_1_24) <= var_1_3) ? (var_1_37 == ((signed short int) (var_1_33 - var_1_11))) : (var_1_37 == ((signed short int) ((((var_1_32) < ((((((var_1_33) < (var_1_35)) ? (var_1_33) : (var_1_35))) + var_1_39))) ? (var_1_32) : ((((((var_1_33) < (var_1_35)) ? (var_1_33) : (var_1_35))) + var_1_39))))))) : (var_1_37 == ((signed short int) ((((((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) < (var_1_11)) ? (((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) : (var_1_11)))))) : 1) : (var_1_37 == ((signed short int) var_1_32))) [L169-L170] return (((((((((((((((var_1_2 - var_1_3) == (- var_1_26)) ? ((var_1_3 <= ((var_1_26 * 1.5) + 127.4)) ? (var_1_1 == ((signed short int) var_1_29)) : (var_1_1 == ((signed short int) var_1_29))) : (var_1_1 == ((signed short int) var_1_29))) && (var_1_6 == ((signed long int) (var_1_15 - (((((var_1_8 - var_1_15)) < (var_1_38)) ? ((var_1_8 - var_1_15)) : (var_1_38))))))) && (var_1_40 ? (var_1_11 == ((signed short int) var_1_39)) : ((var_1_8 <= ((((var_1_1) > (var_1_39)) ? (var_1_1) : (var_1_39)))) ? (var_1_11 == ((signed short int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1))) && (((~ var_1_29) < var_1_8) ? (var_1_14 == ((signed long int) ((((var_1_39) > (var_1_29)) ? (var_1_39) : (var_1_29))))) : 1)) && (((last_1_var_1_15 + var_1_39) > var_1_29) ? (var_1_40 ? (var_1_15 == ((unsigned short int) (((((var_1_38) < (var_1_38)) ? (var_1_38) : (var_1_38))) + var_1_29))) : 1) : (var_1_15 == ((unsigned short int) (var_1_38 + var_1_38))))) && ((var_1_40 && var_1_40) ? (var_1_19 == ((signed short int) (var_1_29 + var_1_29))) : 1)) && ((((((var_1_19) < (var_1_38)) ? (var_1_19) : (var_1_38))) > (var_1_38 - ((((var_1_15) > (5)) ? (var_1_15) : (5))))) ? (var_1_23 == ((double) (10.65 - (var_1_24 - var_1_25)))) : 1)) && ((var_1_38 > var_1_38) ? (((var_1_38 ^ var_1_29) < var_1_8) ? (var_1_26 == ((float) (((128.05f - var_1_27) + ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28)))) + var_1_25))) : 1) : 1)) && ((var_1_40 && var_1_40) ? (var_1_29 == ((unsigned char) (((var_1_30 - var_1_31) - var_1_32) - (((((var_1_33) > (var_1_34)) ? (var_1_33) : (var_1_34))) - ((((var_1_35) < 0 ) ? -(var_1_35) : (var_1_35))))))) : 1)) && (var_1_40 ? (var_1_36 == ((double) (var_1_28 + var_1_27))) : (var_1_36 == ((double) ((var_1_27 + var_1_28) + ((((var_1_25) < 0 ) ? -(var_1_25) : (var_1_25)))))))) && ((((var_1_35 / var_1_34) % var_1_30) >= var_1_29) ? ((var_1_40 || var_1_40) ? (((var_1_39 * (var_1_38 & 64)) < var_1_39) ? (((var_1_27 - var_1_24) <= var_1_3) ? (var_1_37 == ((signed short int) (var_1_33 - var_1_11))) : (var_1_37 == ((signed short int) ((((var_1_32) < ((((((var_1_33) < (var_1_35)) ? (var_1_33) : (var_1_35))) + var_1_39))) ? (var_1_32) : ((((((var_1_33) < (var_1_35)) ? (var_1_33) : (var_1_35))) + var_1_39))))))) : (var_1_37 == ((signed short int) ((((((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) < (var_1_11)) ? (((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34)))) : (var_1_11)))))) : 1) : (var_1_37 == ((signed short int) var_1_32)))) && (var_1_38 == ((unsigned char) var_1_31))) && (var_1_39 == ((signed char) var_1_31))) && (var_1_40 == ((unsigned char) var_1_41)) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=2, var_1_11=32, var_1_14=32, var_1_15=32, var_1_19=0, var_1_1=0, var_1_23=47/10, var_1_26=2, var_1_29=0, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=0, var_1_37=32, var_1_38=32, var_1_39=32, var_1_40=1, var_1_41=1, var_1_6=0, var_1_8=2147483646] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=2, var_1_11=32, var_1_14=32, var_1_15=32, var_1_19=0, var_1_1=0, var_1_23=47/10, var_1_26=2, var_1_29=0, var_1_30=222, var_1_31=32, var_1_32=63, var_1_33=127, var_1_34=127, var_1_35=0, var_1_37=32, var_1_38=32, var_1_39=32, var_1_40=1, var_1_41=1, var_1_6=0, var_1_8=2147483646] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 22, 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=45occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 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 [2023-11-24 23:48:51,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91 --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 7061d7705e35ffb179f69b4cdd3a111dfb45a568e3f5347cc63566e16555668c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:48:54,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:48:54,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:48:54,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:48:54,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:48:54,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:48:54,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:48:54,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:48:54,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:48:54,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:48:54,620 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:48:54,621 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:48:54,621 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:48:54,623 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:48:54,624 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:48:54,624 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:48:54,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:48:54,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:48:54,627 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:48:54,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:48:54,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:48:54,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:48:54,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:48:54,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:48:54,630 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:48:54,631 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:48:54,632 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:48:54,632 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:48:54,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:48:54,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:48:54,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:48:54,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:48:54,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:48:54,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:48:54,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:48:54,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:48:54,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:48:54,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:48:54,638 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:48:54,639 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:48:54,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:48:54,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:48:54,640 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:48:54,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:48:54,640 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_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7061d7705e35ffb179f69b4cdd3a111dfb45a568e3f5347cc63566e16555668c [2023-11-24 23:48:55,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:48:55,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:48:55,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:48:55,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:48:55,121 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:48:55,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i [2023-11-24 23:48:58,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:48:58,783 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:48:58,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i [2023-11-24 23:48:58,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/data/0211eb1cb/5bd891cab1b24feab0ebc408d199c243/FLAG228c3e5dc [2023-11-24 23:48:58,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/data/0211eb1cb/5bd891cab1b24feab0ebc408d199c243 [2023-11-24 23:48:58,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:48:58,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:48:58,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:48:58,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:48:58,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:48:58,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:48:58" (1/1) ... [2023-11-24 23:48:58,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78683a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:58, skipping insertion in model container [2023-11-24 23:48:58,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:48:58" (1/1) ... [2023-11-24 23:48:58,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:48:59,072 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_16d48a38-f226-4b64-a0bf-9b71b269e5e3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i[915,928] [2023-11-24 23:48:59,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:48:59,252 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:48:59,270 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_16d48a38-f226-4b64-a0bf-9b71b269e5e3/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-0.i[915,928] [2023-11-24 23:48:59,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:48:59,365 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:48:59,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59 WrapperNode [2023-11-24 23:48:59,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:48:59,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:48:59,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:48:59,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:48:59,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,502 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2023-11-24 23:48:59,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:48:59,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:48:59,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:48:59,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:48:59,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:48:59,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:48:59,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:48:59,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:48:59,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (1/1) ... [2023-11-24 23:48:59,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:48:59,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:48:59,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:48:59,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:48:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:48:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:48:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:48:59,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:48:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:48:59,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:48:59,793 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:48:59,797 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:49:13,051 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:49:13,143 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:49:13,155 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:49:13,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:13 BoogieIcfgContainer [2023-11-24 23:49:13,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:49:13,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:49:13,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:49:13,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:49:13,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:48:58" (1/3) ... [2023-11-24 23:49:13,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466d27ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:13, skipping insertion in model container [2023-11-24 23:49:13,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:48:59" (2/3) ... [2023-11-24 23:49:13,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466d27ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:13, skipping insertion in model container [2023-11-24 23:49:13,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:13" (3/3) ... [2023-11-24 23:49:13,168 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-0.i [2023-11-24 23:49:13,189 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:49:13,190 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:49:13,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:49:13,266 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;@6d2adb16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:49:13,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:49:13,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 47 states have internal predecessors, (68), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-24 23:49:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-24 23:49:13,294 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:13,295 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:13,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:13,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:13,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1698641697, now seen corresponding path program 1 times [2023-11-24 23:49:13,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:49:13,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581596651] [2023-11-24 23:49:13,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:13,316 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 [2023-11-24 23:49:13,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:49:13,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:49:13,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:14,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:49:14,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-24 23:49:14,137 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:49:14,138 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:49:14,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581596651] [2023-11-24 23:49:14,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581596651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:49:14,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:49:14,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:49:14,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533485087] [2023-11-24 23:49:14,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:14,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:49:14,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:49:14,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:49:14,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:49:14,206 INFO L87 Difference]: Start difference. First operand has 71 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 47 states have internal predecessors, (68), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-24 23:49:16,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:49:16,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:16,544 INFO L93 Difference]: Finished difference Result 138 states and 242 transitions. [2023-11-24 23:49:16,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:49:16,601 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2023-11-24 23:49:16,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:16,609 INFO L225 Difference]: With dead ends: 138 [2023-11-24 23:49:16,609 INFO L226 Difference]: Without dead ends: 68 [2023-11-24 23:49:16,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:49:16,617 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:16,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-24 23:49:16,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-24 23:49:16,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-24 23:49:16,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 44 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-24 23:49:16,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 104 transitions. [2023-11-24 23:49:16,670 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 104 transitions. Word has length 144 [2023-11-24 23:49:16,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:16,671 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 104 transitions. [2023-11-24 23:49:16,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-24 23:49:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 104 transitions. [2023-11-24 23:49:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-24 23:49:16,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:16,676 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:16,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:16,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:16,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:16,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:16,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1424300069, now seen corresponding path program 1 times [2023-11-24 23:49:16,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:49:16,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912296390] [2023-11-24 23:49:16,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:16,881 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 [2023-11-24 23:49:16,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:49:16,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:49:16,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:17,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:49:17,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:49:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 483 proven. 30 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2023-11-24 23:49:18,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:49:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-24 23:49:19,299 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:49:19,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912296390] [2023-11-24 23:49:19,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912296390] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-24 23:49:19,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 23:49:19,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2023-11-24 23:49:19,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216623033] [2023-11-24 23:49:19,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:49:19,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:49:19,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:49:19,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:49:19,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:49:19,313 INFO L87 Difference]: Start difference. First operand 68 states and 104 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-24 23:49:21,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-24 23:49:23,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-24 23:49:25,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-24 23:49:27,881 WARN L539 Checker$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 [1] [2023-11-24 23:49:30,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:49:32,234 WARN L539 Checker$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 [] [2023-11-24 23:49:34,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-11-24 23:49:36,253 WARN L539 Checker$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 [] [2023-11-24 23:49:38,255 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 [1] [2023-11-24 23:49:40,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:49:40,148 INFO L93 Difference]: Finished difference Result 310 states and 472 transitions. [2023-11-24 23:49:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:49:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 144 [2023-11-24 23:49:40,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:49:40,156 INFO L225 Difference]: With dead ends: 310 [2023-11-24 23:49:40,156 INFO L226 Difference]: Without dead ends: 243 [2023-11-24 23:49:40,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-24 23:49:40,165 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 258 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 90 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2023-11-24 23:49:40,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 390 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 126 Invalid, 8 Unknown, 0 Unchecked, 20.6s Time] [2023-11-24 23:49:40,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-11-24 23:49:40,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 71. [2023-11-24 23:49:40,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 47 states have internal predecessors, (64), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-24 23:49:40,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 108 transitions. [2023-11-24 23:49:40,220 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 108 transitions. Word has length 144 [2023-11-24 23:49:40,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:49:40,224 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 108 transitions. [2023-11-24 23:49:40,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-24 23:49:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-11-24 23:49:40,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-24 23:49:40,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:40,236 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:40,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:40,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:40,452 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:40,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:40,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1817327079, now seen corresponding path program 1 times [2023-11-24 23:49:40,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:49:40,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469570717] [2023-11-24 23:49:40,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:40,455 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 [2023-11-24 23:49:40,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:49:40,477 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:49:40,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16d48a38-f226-4b64-a0bf-9b71b269e5e3/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:49:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:49:41,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-24 23:49:41,670 INFO L285 TraceCheckSpWp]: Computing forward predicates...