./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 f8764d0703f262f882fea925b2e1c51288e3d3f7182d2157f47a63a3f8cbf94f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:08,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:08,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:58:08,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:08,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:08,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:08,747 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:08,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:08,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:08,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:08,749 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:08,750 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:08,751 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:08,751 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:58:08,752 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:08,753 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:08,753 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:58:08,754 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:58:08,754 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:08,755 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:58:08,756 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:58:08,756 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:58:08,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:08,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:08,758 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:58:08,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:58:08,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:58:08,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:08,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:08,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:08,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:08,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:58:08,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:08,762 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:08,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:08,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:08,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:08,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:08,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:08,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:08,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:08,765 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:58:08,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:58:08,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:08,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:08,766 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:08,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:08,766 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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8764d0703f262f882fea925b2e1c51288e3d3f7182d2157f47a63a3f8cbf94f [2023-11-24 23:58:09,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:09,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:09,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:09,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:09,086 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:09,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i [2023-11-24 23:58:12,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:12,465 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:12,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i [2023-11-24 23:58:12,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/data/304bb06e8/daa464b7a5b745d7abdc974efd08f112/FLAG71f58d4e0 [2023-11-24 23:58:12,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/data/304bb06e8/daa464b7a5b745d7abdc974efd08f112 [2023-11-24 23:58:12,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:12,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:12,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:12,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:12,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:12,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:12,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1211a593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12, skipping insertion in model container [2023-11-24 23:58:12,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:12,575 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:12,745 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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i[919,932] [2023-11-24 23:58:12,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:12,843 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:12,857 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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i[919,932] [2023-11-24 23:58:12,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:12,921 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:12,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12 WrapperNode [2023-11-24 23:58:12,923 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:12,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:12,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:12,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:12,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:12,946 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:13,022 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2023-11-24 23:58:13,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:13,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:13,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:13,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:13,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:13,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:13,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:13,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:13,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:13,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:13,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:13,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:13,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:13,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:13,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:13,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:13,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (1/1) ... [2023-11-24 23:58:13,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:13,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:13,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:13,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:13,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:58:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:58:13,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:58:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:13,358 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:13,360 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:13,997 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:14,384 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:14,384 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:58:14,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:14 BoogieIcfgContainer [2023-11-24 23:58:14,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:14,390 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:14,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:14,393 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:14,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:12" (1/3) ... [2023-11-24 23:58:14,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589396f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:14, skipping insertion in model container [2023-11-24 23:58:14,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:12" (2/3) ... [2023-11-24 23:58:14,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@589396f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:14, skipping insertion in model container [2023-11-24 23:58:14,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:14" (3/3) ... [2023-11-24 23:58:14,399 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i [2023-11-24 23:58:14,419 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:14,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:58:14,485 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:14,493 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;@5d84fe6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:14,494 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:58:14,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:58:14,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 23:58:14,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:14,516 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:14,517 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:14,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:14,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1704241576, now seen corresponding path program 1 times [2023-11-24 23:58:14,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:58:14,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166108659] [2023-11-24 23:58:14,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:14,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:58:14,686 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:58:14,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [958436115] [2023-11-24 23:58:14,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:14,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:58:14,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:14,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:58:14,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:58:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:15,205 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:58:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:58:15,463 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:58:15,465 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:58:15,467 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:58:15,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-24 23:58:15,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:58:15,680 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:58:15,683 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:58:15,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:58:15 BoogieIcfgContainer [2023-11-24 23:58:15,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:58:15,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:58:15,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:58:15,825 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:58:15,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:14" (3/4) ... [2023-11-24 23:58:15,827 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:58:15,829 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:58:15,830 INFO L158 Benchmark]: Toolchain (without parser) took 3318.37ms. Allocated memory is still 161.5MB. Free memory was 116.1MB in the beginning and 104.9MB in the end (delta: 11.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-24 23:58:15,831 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 85.4MB in the beginning and 85.4MB in the end (delta: 35.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:15,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.55ms. Allocated memory is still 161.5MB. Free memory was 116.1MB in the beginning and 100.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:58:15,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.74ms. Allocated memory is still 161.5MB. Free memory was 100.8MB in the beginning and 95.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:58:15,838 INFO L158 Benchmark]: Boogie Preprocessor took 92.53ms. Allocated memory is still 161.5MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:58:15,839 INFO L158 Benchmark]: RCFGBuilder took 1261.38ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 81.3MB in the end (delta: 11.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-24 23:58:15,840 INFO L158 Benchmark]: TraceAbstraction took 1434.32ms. Allocated memory is still 161.5MB. Free memory was 80.3MB in the beginning and 104.9MB in the end (delta: -24.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:15,841 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 161.5MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:58:15,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 85.4MB in the beginning and 85.4MB in the end (delta: 35.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.55ms. Allocated memory is still 161.5MB. Free memory was 116.1MB in the beginning and 100.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.74ms. Allocated memory is still 161.5MB. Free memory was 100.8MB in the beginning and 95.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.53ms. Allocated memory is still 161.5MB. Free memory was 95.2MB in the beginning and 93.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1261.38ms. Allocated memory is still 161.5MB. Free memory was 93.1MB in the beginning and 81.3MB in the end (delta: 11.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1434.32ms. Allocated memory is still 161.5MB. Free memory was 80.3MB in the beginning and 104.9MB in the end (delta: -24.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 161.5MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 79, overapproximation of bitwiseOr at line 80, overapproximation of shiftLeft at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 117, overapproximation of someBinaryArithmeticFLOAToperation at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_2 = 0; [L24] unsigned char var_1_3 = 128; [L25] unsigned char var_1_4 = 2; [L26] unsigned char var_1_5 = 2; [L27] unsigned char var_1_6 = 32; [L28] unsigned short int var_1_8 = 100; [L29] float var_1_9 = 255.75; [L30] signed char var_1_10 = 64; [L31] signed char var_1_11 = 32; [L32] signed char var_1_12 = 4; [L33] float var_1_13 = 0.0; [L34] float var_1_14 = 7.25; [L35] float var_1_15 = 8.125; [L36] float var_1_16 = 24.5; [L37] signed short int var_1_17 = -256; [L38] double var_1_18 = 31.5; [L39] float var_1_19 = 255.2; [L40] signed long int var_1_21 = -8; [L41] double var_1_22 = 0.5; [L42] unsigned short int var_1_23 = 200; [L43] double var_1_26 = 1.8; [L44] unsigned short int var_1_29 = 8; [L45] unsigned char var_1_37 = 1; [L46] unsigned char var_1_39 = 0; [L47] unsigned char var_1_40 = 0; [L48] unsigned long int var_1_41 = 10; [L49] unsigned char last_1_var_1_6 = 32; [L50] unsigned short int last_1_var_1_8 = 100; [L172] isInitial = 1 [L173] FCALL initially() [L174] COND TRUE 1 [L175] CALL updateLastVariables() [L164] last_1_var_1_6 = var_1_6 [L165] last_1_var_1_8 = var_1_8 [L175] RET updateLastVariables() [L176] CALL updateVariables() [L129] var_1_2 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L131] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=128, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L132] var_1_3 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_3 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_3 >= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L134] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=2, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L135] var_1_4 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L137] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=2, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L138] var_1_5 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L140] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=64, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L141] var_1_10 = __VERIFIER_nondet_char() [L142] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L143] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=32, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L144] var_1_11 = __VERIFIER_nondet_char() [L145] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L146] CALL assume_abort_if_not(var_1_11 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_11 <= 64) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=4, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L147] var_1_12 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L149] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_13=0, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L150] var_1_13 = __VERIFIER_nondet_float() [L151] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_14=29/4, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L152] var_1_14 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_16=49/2, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L154] var_1_16 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L156] var_1_39 = __VERIFIER_nondet_uchar() [L157] CALL assume_abort_if_not(var_1_39 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_39 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L158] CALL assume_abort_if_not(var_1_39 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_39 <= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L159] var_1_40 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L161] CALL assume_abort_if_not(var_1_40 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_40 <= 0) VAL [isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_15=65/8, var_1_17=-256, var_1_18=63/2, var_1_19=1276/5, var_1_1=5, var_1_21=-8, var_1_22=1/2, var_1_23=200, var_1_26=9/5, var_1_29=8, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=32, var_1_8=100, var_1_9=1023/4] [L176] RET updateVariables() [L177] CALL step() [L54] signed long int stepLocal_0 = 64 + (var_1_5 / var_1_3); [L55] COND TRUE stepLocal_0 != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6)) [L56] var_1_6 = var_1_4 [L60] var_1_19 = var_1_13 [L61] COND FALSE !(\read(var_1_2)) [L64] var_1_1 = (var_1_4 + var_1_5) [L66] COND FALSE !(var_1_2 || (var_1_5 <= (var_1_3 / var_1_3))) [L69] COND FALSE !((var_1_4 + ((((var_1_4) < (var_1_10)) ? (var_1_4) : (var_1_10)))) <= var_1_11) [L74] COND FALSE !(((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) [L77] var_1_9 = var_1_13 [L79] COND FALSE !(var_1_2 || (var_1_16 <= var_1_13)) [L86] var_1_29 = (var_1_3 + (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) + var_1_5)) [L88] var_1_15 = (var_1_14 + var_1_16) [L89] COND FALSE !(\read(var_1_2)) [L92] COND FALSE !(var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) [L95] var_1_17 = (var_1_5 - var_1_3) [L98] COND FALSE !(\read(var_1_2)) [L105] COND TRUE (var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1) [L106] EXPR var_1_11 << var_1_12 [L106] COND FALSE !((var_1_11 << var_1_12) > var_1_5) [L112] var_1_21 = -16 [L113] COND FALSE !(var_1_11 > var_1_3) [L116] COND FALSE !((var_1_2 || var_1_2) || ((- var_1_16) <= var_1_14)) [L120] signed long int stepLocal_1 = var_1_3 - var_1_5; [L121] COND FALSE !((var_1_17 + var_1_6) >= stepLocal_1) [L124] var_1_8 = var_1_6 [L126] var_1_22 = var_1_13 [L177] RET step() [L178] CALL, EXPR property() [L168] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) [L168] EXPR ((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16)) [L168] EXPR ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) [L168-L169] return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (last_1_var_1_8 - (var_1_4 + last_1_var_1_6))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_17 + var_1_6) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) ((((var_1_6) > (var_1_3)) ? (var_1_6) : (var_1_3))))) : (var_1_8 == ((unsigned short int) var_1_6)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == (((((99.8f) < (var_1_16)) ? (99.8f) : (var_1_16))) / ((((255.6f) > (var_1_13)) ? (255.6f) : (var_1_13))))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_1)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; [L178] RET, EXPR property() [L178] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_13=2, var_1_16=0, var_1_17=-103, var_1_18=63/2, var_1_19=2, var_1_1=128, var_1_21=-16, var_1_22=2, var_1_23=200, var_1_26=9/5, var_1_29=255, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=104, var_1_8=104, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_6=32, last_1_var_1_8=100, var_1_10=105, var_1_11=21, var_1_12=44, var_1_13=2, var_1_16=0, var_1_17=-103, var_1_18=63/2, var_1_19=2, var_1_1=128, var_1_21=-16, var_1_22=2, var_1_23=200, var_1_26=9/5, var_1_29=255, var_1_2=0, var_1_37=1, var_1_39=0, var_1_3=127, var_1_40=0, var_1_41=10, var_1_4=104, var_1_5=24, var_1_6=104, var_1_8=104, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 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 23:58:15,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 f8764d0703f262f882fea925b2e1c51288e3d3f7182d2157f47a63a3f8cbf94f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:58:18,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:58:18,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:58:18,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:58:18,865 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:58:18,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:58:18,918 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:58:18,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:58:18,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:58:18,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:58:18,926 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:58:18,927 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:58:18,927 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:58:18,929 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:58:18,930 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:58:18,930 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:58:18,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:58:18,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:58:18,933 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:58:18,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:58:18,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:58:18,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:58:18,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:58:18,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:58:18,937 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:58:18,937 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:58:18,938 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:58:18,938 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:58:18,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:58:18,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:58:18,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:58:18,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:58:18,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:58:18,942 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:58:18,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:18,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:58:18,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:58:18,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:58:18,944 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:58:18,945 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:58:18,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:58:18,946 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:58:18,946 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:58:18,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:58:18,947 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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8764d0703f262f882fea925b2e1c51288e3d3f7182d2157f47a63a3f8cbf94f [2023-11-24 23:58:19,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:58:19,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:58:19,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:58:19,403 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:58:19,403 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:58:19,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i [2023-11-24 23:58:22,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:58:22,848 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:58:22,856 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i [2023-11-24 23:58:22,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/data/15df70611/d9d9a0cfe4944f09a006770a7acb1185/FLAG0f4d8e8c4 [2023-11-24 23:58:22,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/data/15df70611/d9d9a0cfe4944f09a006770a7acb1185 [2023-11-24 23:58:22,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:58:22,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:58:22,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:22,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:58:22,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:58:22,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:22" (1/1) ... [2023-11-24 23:58:22,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64995376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:22, skipping insertion in model container [2023-11-24 23:58:22,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:58:22" (1/1) ... [2023-11-24 23:58:22,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:58:23,158 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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i[919,932] [2023-11-24 23:58:23,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:23,271 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:58:23,286 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_be02ff85-3b0e-4d27-be60-c15c30b1ef62/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i[919,932] [2023-11-24 23:58:23,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:58:23,355 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:58:23,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23 WrapperNode [2023-11-24 23:58:23,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:58:23,357 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:23,357 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:58:23,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:58:23,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,465 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 167 [2023-11-24 23:58:23,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:58:23,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:58:23,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:58:23,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:58:23,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:58:23,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:58:23,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:58:23,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:58:23,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (1/1) ... [2023-11-24 23:58:23,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:58:23,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:23,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:58:23,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:58:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:58:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:58:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:58:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:58:23,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:58:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:58:23,790 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:58:23,794 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:58:29,395 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:58:29,496 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:58:29,496 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:58:29,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:29 BoogieIcfgContainer [2023-11-24 23:58:29,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:58:29,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:58:29,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:58:29,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:58:29,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:58:22" (1/3) ... [2023-11-24 23:58:29,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58752d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:29, skipping insertion in model container [2023-11-24 23:58:29,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:58:23" (2/3) ... [2023-11-24 23:58:29,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58752d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:58:29, skipping insertion in model container [2023-11-24 23:58:29,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:58:29" (3/3) ... [2023-11-24 23:58:29,507 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-20.i [2023-11-24 23:58:29,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:58:29,528 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:58:29,581 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:58:29,590 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;@3817307a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:58:29,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:58:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 43 states have (on average 1.5116279069767442) internal successors, (65), 44 states have internal predecessors, (65), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:58:29,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-24 23:58:29,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:29,625 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:29,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:29,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:29,633 INFO L85 PathProgramCache]: Analyzing trace with hash 434636041, now seen corresponding path program 1 times [2023-11-24 23:58:29,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:29,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531061586] [2023-11-24 23:58:29,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:29,655 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 23:58:29,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:29,663 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:29,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:30,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:58:30,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 424 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2023-11-24 23:58:30,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:30,407 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:30,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531061586] [2023-11-24 23:58:30,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531061586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:30,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:30,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:58:30,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249692830] [2023-11-24 23:58:30,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:30,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:58:30,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:30,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:58:30,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:58:30,465 INFO L87 Difference]: Start difference. First operand has 67 states, 43 states have (on average 1.5116279069767442) internal successors, (65), 44 states have internal predecessors, (65), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-24 23:58:32,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:32,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:32,729 INFO L93 Difference]: Finished difference Result 131 states and 233 transitions. [2023-11-24 23:58:32,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:58:32,785 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2023-11-24 23:58:32,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:32,793 INFO L225 Difference]: With dead ends: 131 [2023-11-24 23:58:32,793 INFO L226 Difference]: Without dead ends: 65 [2023-11-24 23:58:32,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 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 23:58:32,801 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:32,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-24 23:58:32,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-24 23:58:32,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-24 23:58:32,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 42 states have internal predecessors, (59), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:58:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 101 transitions. [2023-11-24 23:58:32,861 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 101 transitions. Word has length 137 [2023-11-24 23:58:32,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:32,861 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 101 transitions. [2023-11-24 23:58:32,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-24 23:58:32,862 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2023-11-24 23:58:32,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-24 23:58:32,866 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:32,866 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:32,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:33,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:33,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:33,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:33,080 INFO L85 PathProgramCache]: Analyzing trace with hash 300880003, now seen corresponding path program 1 times [2023-11-24 23:58:33,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:33,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [345274923] [2023-11-24 23:58:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:33,081 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 23:58:33,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:33,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:33,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:33,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:58:33,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-24 23:58:33,729 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:33,730 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:33,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [345274923] [2023-11-24 23:58:33,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [345274923] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:33,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:33,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:58:33,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147224158] [2023-11-24 23:58:33,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:33,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:33,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:33,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:33,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:33,735 INFO L87 Difference]: Start difference. First operand 65 states and 101 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:58:36,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:38,753 WARN L539 Checker$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 23:58:40,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:40,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:40,771 INFO L93 Difference]: Finished difference Result 151 states and 235 transitions. [2023-11-24 23:58:40,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:40,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 137 [2023-11-24 23:58:40,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:40,776 INFO L225 Difference]: With dead ends: 151 [2023-11-24 23:58:40,776 INFO L226 Difference]: Without dead ends: 87 [2023-11-24 23:58:40,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:40,779 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 28 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 8 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:40,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 170 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 29 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2023-11-24 23:58:40,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-24 23:58:40,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 79. [2023-11-24 23:58:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 56 states have internal predecessors, (78), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:58:40,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 120 transitions. [2023-11-24 23:58:40,797 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 120 transitions. Word has length 137 [2023-11-24 23:58:40,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:40,814 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 120 transitions. [2023-11-24 23:58:40,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:58:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2023-11-24 23:58:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-24 23:58:40,821 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:40,824 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:40,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:41,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:41,025 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:41,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:41,026 INFO L85 PathProgramCache]: Analyzing trace with hash -732911431, now seen corresponding path program 1 times [2023-11-24 23:58:41,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:41,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975727515] [2023-11-24 23:58:41,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:41,028 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 23:58:41,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:41,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:41,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:41,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:58:41,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:41,814 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-24 23:58:41,815 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:58:41,815 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:41,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975727515] [2023-11-24 23:58:41,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [975727515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:58:41,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:58:41,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:58:41,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324378549] [2023-11-24 23:58:41,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:58:41,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:58:41,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:41,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:58:41,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:41,820 INFO L87 Difference]: Start difference. First operand 79 states and 120 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:58:44,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:46,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:48,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:58:48,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:58:48,574 INFO L93 Difference]: Finished difference Result 165 states and 248 transitions. [2023-11-24 23:58:48,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:58:48,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 138 [2023-11-24 23:58:48,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:58:48,643 INFO L225 Difference]: With dead ends: 165 [2023-11-24 23:58:48,643 INFO L226 Difference]: Without dead ends: 87 [2023-11-24 23:58:48,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:58:48,646 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 30 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:58:48,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 172 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 6.7s Time] [2023-11-24 23:58:48,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-24 23:58:48,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 79. [2023-11-24 23:58:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 56 states have internal predecessors, (75), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-24 23:58:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 117 transitions. [2023-11-24 23:58:48,663 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 117 transitions. Word has length 138 [2023-11-24 23:58:48,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:58:48,664 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 117 transitions. [2023-11-24 23:58:48,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-24 23:58:48,665 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2023-11-24 23:58:48,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-24 23:58:48,668 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:58:48,669 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:58:48,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:58:48,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:48,888 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:58:48,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:58:48,888 INFO L85 PathProgramCache]: Analyzing trace with hash 699896454, now seen corresponding path program 1 times [2023-11-24 23:58:48,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:58:48,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868850222] [2023-11-24 23:58:48,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:48,890 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 23:58:48,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:58:48,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 23:58:48,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/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 (5)] Waiting until timeout for monitored process [2023-11-24 23:58:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:49,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 23:58:49,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:52,084 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 497 proven. 102 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-11-24 23:58:52,085 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:58:53,139 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:58:53,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868850222] [2023-11-24 23:58:53,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868850222] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:58:53,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1401133226] [2023-11-24 23:58:53,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:53,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:58:53,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:58:53,145 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:58:53,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:58:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:54,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:58:54,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:55,680 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-11-24 23:58:55,681 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:58:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-24 23:58:56,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1401133226] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:58:56,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935461140] [2023-11-24 23:58:56,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:58:56,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:58:56,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:58:56,445 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:58:56,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be02ff85-3b0e-4d27-be60-c15c30b1ef62/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-24 23:58:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:58:56,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:58:56,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:58:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 492 proven. 78 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2023-11-24 23:58:58,319 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:58:58,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935461140] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:58:58,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-11-24 23:58:58,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5, 8] total 14 [2023-11-24 23:58:58,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443822736] [2023-11-24 23:58:58,599 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-11-24 23:58:58,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-24 23:58:58,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:58:58,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-24 23:58:58,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=219, Unknown=0, NotChecked=0, Total=342 [2023-11-24 23:58:58,602 INFO L87 Difference]: Start difference. First operand 79 states and 117 transitions. Second operand has 14 states, 14 states have (on average 7.071428571428571) internal successors, (99), 13 states have internal predecessors, (99), 5 states have call successors, (58), 5 states have call predecessors, (58), 8 states have return successors, (61), 5 states have call predecessors, (61), 5 states have call successors, (61) [2023-11-24 23:59:03,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:05,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:59:07,725 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 []