./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a731dee61f6e8731b14d03c15b42de9f4b4275aad2a5e7d49729c65ca9af6db7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:18,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:18,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:18:18,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:18,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:18,710 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:18,711 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:18,712 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:18,713 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:18,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:18,720 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:18,721 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:18,722 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:18,724 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:18:18,725 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:18,725 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:18,726 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:18:18,726 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:18:18,727 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:18,727 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:18:18,728 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:18:18,729 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:18:18,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:18,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:18,731 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:18,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:18:18,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:18,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:18,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:18,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:18,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:18,736 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:18,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:18,736 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:18,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:18,737 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:18,737 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:18,738 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:18,738 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:18,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:18,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:18,739 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:18:18,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:18:18,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:18,741 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:18,741 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:18,741 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:18,742 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_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a731dee61f6e8731b14d03c15b42de9f4b4275aad2a5e7d49729c65ca9af6db7 [2023-11-23 21:18:19,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:19,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:19,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:19,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:19,071 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:19,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i [2023-11-23 21:18:22,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:22,612 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:22,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i [2023-11-23 21:18:22,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/data/d96bd3fa5/3b8995dbccec4b7a97f2c9facedb7472/FLAG45e48e84f [2023-11-23 21:18:22,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/data/d96bd3fa5/3b8995dbccec4b7a97f2c9facedb7472 [2023-11-23 21:18:22,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:22,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:22,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:22,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:22,649 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:22,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@724e1043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:22, skipping insertion in model container [2023-11-23 21:18:22,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:22" (1/1) ... [2023-11-23 21:18:22,687 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:22,861 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_cf7c00f8-c1af-479f-a908-c062f5554eb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i[919,932] [2023-11-23 21:18:22,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:22,969 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:22,982 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_cf7c00f8-c1af-479f-a908-c062f5554eb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i[919,932] [2023-11-23 21:18:23,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:23,088 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:23,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23 WrapperNode [2023-11-23 21:18:23,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:23,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:23,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:23,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:23,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,217 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 241 [2023-11-23 21:18:23,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:23,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:23,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:23,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:23,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:23,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:23,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:23,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:23,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (1/1) ... [2023-11-23 21:18:23,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:23,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:23,370 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:23,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:23,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:23,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:23,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:18:23,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:23,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:23,619 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:23,624 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:24,286 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:24,923 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:24,923 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:24,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:24 BoogieIcfgContainer [2023-11-23 21:18:24,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:24,930 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:24,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:24,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:24,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:22" (1/3) ... [2023-11-23 21:18:24,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d8c286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:24, skipping insertion in model container [2023-11-23 21:18:24,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:23" (2/3) ... [2023-11-23 21:18:24,941 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d8c286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:24, skipping insertion in model container [2023-11-23 21:18:24,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:24" (3/3) ... [2023-11-23 21:18:24,943 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i [2023-11-23 21:18:24,973 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:24,974 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:25,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:25,068 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;@1dd006ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:25,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:18:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-23 21:18:25,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:25,085 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:25,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:25,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:25,093 INFO L85 PathProgramCache]: Analyzing trace with hash -615974327, now seen corresponding path program 1 times [2023-11-23 21:18:25,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:18:25,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134566971] [2023-11-23 21:18:25,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:25,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:18:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:25,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:18:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:18:26,115 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:18:26,117 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:18:26,119 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:18:26,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:18:26,126 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:18:26,133 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:26,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:26 BoogieIcfgContainer [2023-11-23 21:18:26,258 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:26,259 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:26,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:26,259 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:26,260 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:24" (3/4) ... [2023-11-23 21:18:26,262 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:18:26,263 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:26,264 INFO L158 Benchmark]: Toolchain (without parser) took 3622.02ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 77.9MB in the beginning and 100.6MB in the end (delta: -22.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-23 21:18:26,265 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:26,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.57ms. Allocated memory is still 123.7MB. Free memory was 77.6MB in the beginning and 62.8MB in the end (delta: 14.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:18:26,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.72ms. Allocated memory is still 123.7MB. Free memory was 62.8MB in the beginning and 58.0MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:18:26,267 INFO L158 Benchmark]: Boogie Preprocessor took 63.45ms. Allocated memory is still 123.7MB. Free memory was 58.0MB in the beginning and 55.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:26,267 INFO L158 Benchmark]: RCFGBuilder took 1643.18ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 55.5MB in the beginning and 111.7MB in the end (delta: -56.2MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2023-11-23 21:18:26,268 INFO L158 Benchmark]: TraceAbstraction took 1328.52ms. Allocated memory is still 157.3MB. Free memory was 111.7MB in the beginning and 100.6MB in the end (delta: 11.2MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-11-23 21:18:26,268 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 157.3MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:26,272 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 123.7MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.57ms. Allocated memory is still 123.7MB. Free memory was 77.6MB in the beginning and 62.8MB in the end (delta: 14.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.72ms. Allocated memory is still 123.7MB. Free memory was 62.8MB in the beginning and 58.0MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.45ms. Allocated memory is still 123.7MB. Free memory was 58.0MB in the beginning and 55.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1643.18ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 55.5MB in the beginning and 111.7MB in the end (delta: -56.2MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1328.52ms. Allocated memory is still 157.3MB. Free memory was 111.7MB in the beginning and 100.6MB in the end (delta: 11.2MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 157.3MB. Free memory is still 100.6MB. 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 shiftRight at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of bitwiseOr at line 80, overapproximation of someUnaryDOUBLEoperation at line 114, overapproximation of bitwiseAnd at line 117, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 71. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 2; [L23] unsigned char var_1_4 = 100; [L24] unsigned char var_1_5 = 2; [L25] unsigned char var_1_6 = 64; [L26] unsigned char var_1_7 = 32; [L27] unsigned char var_1_8 = 32; [L28] float var_1_9 = 100.5; [L29] float var_1_11 = 0.8; [L30] float var_1_12 = 2.5; [L31] signed short int var_1_13 = -32; [L32] unsigned char var_1_15 = 1; [L33] unsigned char var_1_16 = 0; [L34] unsigned char var_1_17 = 0; [L35] float var_1_18 = 0.25; [L36] float var_1_19 = 100000000.25; [L37] signed char var_1_20 = 0; [L38] signed char var_1_21 = 10; [L39] double var_1_22 = 1000000.5; [L40] unsigned long int var_1_23 = 256; [L41] unsigned long int var_1_24 = 50; [L42] signed long int var_1_25 = 64; [L43] unsigned long int var_1_32 = 2219578776; [L44] unsigned char var_1_34 = 0; [L45] unsigned char var_1_36 = 5; [L46] unsigned char var_1_41 = 32; [L47] double var_1_42 = 16.125; [L48] double var_1_43 = 256.5; [L49] signed short int var_1_45 = -10; [L50] unsigned char last_1_var_1_1 = 2; [L51] unsigned char last_1_var_1_15 = 1; [L52] signed char last_1_var_1_20 = 0; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L177] last_1_var_1_1 = var_1_1 [L178] last_1_var_1_15 = var_1_15 [L179] last_1_var_1_20 = var_1_20 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L139] var_1_4 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_4 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_4 >= 95) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L141] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=2, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L142] var_1_5 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L144] CALL assume_abort_if_not(var_1_5 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_5 <= 32) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L145] var_1_6 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_6 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_6 >= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L147] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=32, var_1_8=32, var_1_9=201/2] [L148] var_1_7 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_8=32, var_1_9=201/2] [L150] CALL assume_abort_if_not(var_1_7 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 <= 64) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=32, var_1_9=201/2] [L151] var_1_8 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_9=201/2] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_9=201/2] [L153] CALL assume_abort_if_not(var_1_8 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_8 <= 63) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_11=4/5, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L154] var_1_11 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=5/2, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L156] var_1_12 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L158] var_1_16 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L160] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=0, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L161] var_1_17 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L163] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=400000001/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L164] var_1_19 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=10, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L166] var_1_21 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_21 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_21 >= -31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L168] CALL assume_abort_if_not(var_1_21 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_21 <= 31) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2219578776, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L169] var_1_32 = __VERIFIER_nondet_ulong() [L170] CALL assume_abort_if_not(var_1_32 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_32 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L171] CALL assume_abort_if_not(var_1_32 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_32 <= 4294967295) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_41=32, var_1_42=129/8, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L172] var_1_42 = __VERIFIER_nondet_double() [L173] CALL assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_42 >= -922337.2036854776000e+13F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 9223372.036854776000e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L174] CALL assume_abort_if_not(var_1_42 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_42 != 0.0F) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2000001/2, var_1_23=256, var_1_24=50, var_1_25=64, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_41=32, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=201/2] [L190] RET updateVariables() [L191] CALL step() [L56] COND FALSE !(var_1_5 >= var_1_6) [L65] var_1_15 = var_1_17 [L67] unsigned char stepLocal_1 = var_1_15; [L68] unsigned char stepLocal_0 = var_1_15; [L69] COND TRUE var_1_17 || stepLocal_0 [L70] COND TRUE var_1_15 && stepLocal_1 [L71] var_1_18 = (var_1_11 + var_1_19) [L76] EXPR var_1_13 >> var_1_5 [L76] EXPR ((var_1_6) < ((var_1_13 >> var_1_5))) ? (var_1_6) : ((var_1_13 >> var_1_5)) [L76] EXPR var_1_13 >> var_1_5 [L76] EXPR ((var_1_6) < ((var_1_13 >> var_1_5))) ? (var_1_6) : ((var_1_13 >> var_1_5)) [L76] COND FALSE !(var_1_6 < ((((var_1_6) < ((var_1_13 >> var_1_5))) ? (var_1_6) : ((var_1_13 >> var_1_5))))) [L85] COND FALSE !((var_1_5 - var_1_6) <= (~ (var_1_32 - var_1_8))) [L88] var_1_25 = -32 [L91] COND FALSE !((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) [L100] COND TRUE (var_1_11 / ((((var_1_42) > (256.5)) ? (var_1_42) : (256.5)))) < var_1_12 [L101] var_1_41 = var_1_5 [L103] COND TRUE var_1_11 == var_1_18 [L104] var_1_20 = ((var_1_5 + var_1_21) + var_1_8) [L106] COND TRUE var_1_8 >= -25 [L107] var_1_34 = var_1_16 [L109] COND FALSE !((var_1_11 - var_1_12) >= (var_1_19 * var_1_12)) [L112] COND FALSE !((((((var_1_19) < (var_1_11)) ? (var_1_19) : (var_1_11))) >= (var_1_12 / var_1_42)) || var_1_16) [L117] EXPR var_1_1 & var_1_7 [L117] EXPR var_1_4 ^ (var_1_1 & var_1_7) [L117] COND TRUE var_1_5 <= (var_1_4 ^ (var_1_1 & var_1_7)) [L118] COND FALSE !(\read(var_1_16)) [L126] COND FALSE !(-32 < var_1_13) [L129] COND FALSE !((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) [L132] var_1_9 = var_1_12 [L134] var_1_22 = var_1_12 [L135] var_1_23 = var_1_8 [L136] var_1_24 = var_1_6 [L191] RET step() [L192] CALL, EXPR property() [L182-L183] return (((((((((-32 < var_1_13) ? (var_1_1 == ((unsigned char) (((var_1_4 - var_1_5) + var_1_6) - (var_1_7 + ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))))) : 1) && (((var_1_13 + ((((var_1_13) > (var_1_6)) ? (var_1_13) : (var_1_6)))) == var_1_5) ? (var_1_9 == ((float) ((4.5f + var_1_11) - var_1_12))) : (var_1_9 == ((float) var_1_12)))) && (((var_1_12 * ((((var_1_18) < (var_1_11)) ? (var_1_18) : (var_1_11)))) > (- var_1_18)) ? ((var_1_6 <= var_1_8) ? (var_1_15 ? (var_1_13 == ((signed short int) var_1_8)) : (var_1_13 == ((signed short int) var_1_5))) : 1) : 1)) && ((var_1_5 >= var_1_6) ? ((last_1_var_1_1 <= last_1_var_1_20) ? (var_1_15 == ((unsigned char) var_1_16)) : ((last_1_var_1_15 || var_1_16) ? (var_1_15 == ((unsigned char) var_1_17)) : 1)) : (var_1_15 == ((unsigned char) var_1_17)))) && ((var_1_17 || var_1_15) ? ((var_1_15 && var_1_15) ? (var_1_18 == ((float) (var_1_11 + var_1_19))) : (var_1_18 == ((float) var_1_19))) : 1)) && ((var_1_11 == var_1_18) ? (var_1_20 == ((signed char) ((var_1_5 + var_1_21) + var_1_8))) : 1)) && (var_1_22 == ((double) var_1_12))) && (var_1_23 == ((unsigned long int) var_1_8))) && (var_1_24 == ((unsigned long int) var_1_6)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=2219578781, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2219578781, var_1_23=0, var_1_24=64, var_1_25=-32, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_41=31, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=2219578781] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_1=2, last_1_var_1_20=0, var_1_12=2219578781, var_1_13=-32, var_1_15=1, var_1_16=0, var_1_17=1, var_1_18=1/4, var_1_19=1/4, var_1_1=2, var_1_20=0, var_1_21=-31, var_1_22=2219578781, var_1_23=0, var_1_24=64, var_1_25=-32, var_1_32=2147483647, var_1_34=0, var_1_36=5, var_1_41=31, var_1_43=513/2, var_1_45=-10, var_1_4=95, var_1_5=31, var_1_6=64, var_1_7=64, var_1_8=0, var_1_9=2219578781] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:18:26,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a731dee61f6e8731b14d03c15b42de9f4b4275aad2a5e7d49729c65ca9af6db7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:18:29,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:18:29,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:18:29,420 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:18:29,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:18:29,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:18:29,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:18:29,459 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:18:29,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:18:29,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:18:29,461 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:18:29,462 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:18:29,463 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:18:29,464 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:18:29,464 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:18:29,465 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:18:29,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:18:29,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:18:29,468 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:18:29,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:18:29,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:18:29,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:18:29,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:18:29,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:18:29,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:18:29,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:18:29,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:18:29,480 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:18:29,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:18:29,485 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:18:29,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:18:29,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:18:29,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:18:29,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:18:29,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:29,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:18:29,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:18:29,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:18:29,492 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:18:29,493 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:18:29,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:18:29,494 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:18:29,494 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:18:29,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:18:29,495 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_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a731dee61f6e8731b14d03c15b42de9f4b4275aad2a5e7d49729c65ca9af6db7 [2023-11-23 21:18:29,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:18:30,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:18:30,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:18:30,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:18:30,031 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:18:30,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i [2023-11-23 21:18:33,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:18:34,348 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:18:34,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i [2023-11-23 21:18:34,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/data/e47064737/77b4bde459494581952aa6246602b181/FLAG4db12869e [2023-11-23 21:18:34,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/data/e47064737/77b4bde459494581952aa6246602b181 [2023-11-23 21:18:34,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:18:34,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:18:34,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:34,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:18:34,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:18:34,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:34,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2e1d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34, skipping insertion in model container [2023-11-23 21:18:34,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:34,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:18:34,670 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_cf7c00f8-c1af-479f-a908-c062f5554eb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i[919,932] [2023-11-23 21:18:34,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:34,797 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:18:34,834 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_cf7c00f8-c1af-479f-a908-c062f5554eb2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i[919,932] [2023-11-23 21:18:34,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:18:34,906 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:18:34,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34 WrapperNode [2023-11-23 21:18:34,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:18:34,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:34,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:18:34,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:18:34,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:34,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:34,992 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2023-11-23 21:18:34,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:18:34,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:18:34,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:18:34,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:18:35,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:35,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:35,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:35,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:35,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:35,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:35,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:35,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:35,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:18:35,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:18:35,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:18:35,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:18:35,128 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (1/1) ... [2023-11-23 21:18:35,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:18:35,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:35,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:18:35,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:18:35,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:18:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:18:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:18:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:18:35,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:18:35,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:18:35,412 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:18:35,415 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:18:49,914 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:18:50,057 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:18:50,057 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:18:50,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:50 BoogieIcfgContainer [2023-11-23 21:18:50,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:18:50,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:18:50,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:18:50,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:18:50,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:34" (1/3) ... [2023-11-23 21:18:50,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46504a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:50, skipping insertion in model container [2023-11-23 21:18:50,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:34" (2/3) ... [2023-11-23 21:18:50,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46504a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:50, skipping insertion in model container [2023-11-23 21:18:50,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:50" (3/3) ... [2023-11-23 21:18:50,072 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-32.i [2023-11-23 21:18:50,107 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:18:50,108 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:18:50,204 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:18:50,219 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;@3af89cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:18:50,220 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:18:50,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 48 states have internal predecessors, (75), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:18:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 21:18:50,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:50,263 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:50,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:50,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:50,275 INFO L85 PathProgramCache]: Analyzing trace with hash -528789016, now seen corresponding path program 1 times [2023-11-23 21:18:50,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:18:50,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1419885530] [2023-11-23 21:18:50,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:50,301 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:18:50,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:18:50,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:18:50,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:18:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:53,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:18:53,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2023-11-23 21:18:53,435 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:18:53,437 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:18:53,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1419885530] [2023-11-23 21:18:53,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1419885530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:18:53,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:18:53,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:18:53,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703019107] [2023-11-23 21:18:53,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:18:53,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:18:53,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:18:53,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:18:53,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:18:53,506 INFO L87 Difference]: Start difference. First operand has 73 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 48 states have internal predecessors, (75), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:18:55,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:55,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:55,278 INFO L93 Difference]: Finished difference Result 141 states and 259 transitions. [2023-11-23 21:18:55,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:18:55,309 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 147 [2023-11-23 21:18:55,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:55,317 INFO L225 Difference]: With dead ends: 141 [2023-11-23 21:18:55,318 INFO L226 Difference]: Without dead ends: 69 [2023-11-23 21:18:55,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:18:55,325 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:55,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-23 21:18:55,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-23 21:18:55,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-23 21:18:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-23 21:18:55,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 110 transitions. [2023-11-23 21:18:55,385 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 110 transitions. Word has length 147 [2023-11-23 21:18:55,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:55,386 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 110 transitions. [2023-11-23 21:18:55,387 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, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-23 21:18:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 110 transitions. [2023-11-23 21:18:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 21:18:55,391 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:55,391 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:55,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:18:55,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:18:55,593 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:55,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:55,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1154434782, now seen corresponding path program 1 times [2023-11-23 21:18:55,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:18:55,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871342129] [2023-11-23 21:18:55,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:55,596 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:18:55,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:18:55,597 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:18:55,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:18:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:57,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:18:57,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-23 21:18:59,626 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-23 21:19:01,195 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:01,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871342129] [2023-11-23 21:19:01,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871342129] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:19:01,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1394425019] [2023-11-23 21:19:01,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:01,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:01,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:19:01,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:19:01,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:19:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:04,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:19:04,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-23 21:19:08,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:08,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1394425019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:08,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:19:08,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 8 [2023-11-23 21:19:08,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155491128] [2023-11-23 21:19:08,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:08,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:08,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:08,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:08,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:19:08,518 INFO L87 Difference]: Start difference. First operand 69 states and 110 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:19:10,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:13,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:13,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:13,140 INFO L93 Difference]: Finished difference Result 205 states and 328 transitions. [2023-11-23 21:19:13,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:19:13,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2023-11-23 21:19:13,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:13,147 INFO L225 Difference]: With dead ends: 205 [2023-11-23 21:19:13,147 INFO L226 Difference]: Without dead ends: 137 [2023-11-23 21:19:13,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 431 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:19:13,151 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 31 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:13,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 203 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2023-11-23 21:19:13,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-23 21:19:13,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2023-11-23 21:19:13,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-23 21:19:13,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 215 transitions. [2023-11-23 21:19:13,222 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 215 transitions. Word has length 147 [2023-11-23 21:19:13,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:13,228 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 215 transitions. [2023-11-23 21:19:13,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-23 21:19:13,229 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 215 transitions. [2023-11-23 21:19:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-23 21:19:13,237 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:13,239 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:13,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:13,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:13,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:13,660 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:13,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:13,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1152587740, now seen corresponding path program 1 times [2023-11-23 21:19:13,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:13,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754665670] [2023-11-23 21:19:13,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:13,664 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:19:13,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:13,665 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:19:13,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:19:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:15,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:19:15,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 498 proven. 24 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-23 21:19:16,885 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:19:18,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-23 21:19:18,091 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:18,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754665670] [2023-11-23 21:19:18,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754665670] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:19:18,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1413974770] [2023-11-23 21:19:18,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:18,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:19:18,101 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:19:18,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf7c00f8-c1af-479f-a908-c062f5554eb2/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process