./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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 9d32b1714789966fcf326a8af7d24f4afd80f3798898049f667e4b65b657d955 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:48,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:48,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:36:48,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:48,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:48,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:48,667 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:48,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:48,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:48,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:48,675 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:48,676 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:48,677 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:48,679 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:36:48,679 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:48,680 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:48,680 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:36:48,681 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:36:48,681 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:48,682 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:36:48,682 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:36:48,683 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:36:48,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:48,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:48,685 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:48,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:36:48,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:48,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:48,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:48,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:48,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:48,689 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:48,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:48,690 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:48,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:48,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:48,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:48,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:48,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:48,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:48,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:48,692 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:36:48,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:36:48,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:48,694 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:48,694 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:48,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:48,695 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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d32b1714789966fcf326a8af7d24f4afd80f3798898049f667e4b65b657d955 [2023-11-23 20:36:49,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:49,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:49,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:49,084 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:49,085 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:49,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i [2023-11-23 20:36:52,164 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:52,441 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:52,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i [2023-11-23 20:36:52,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/data/ef8f10ba3/098d1a4a167544448878a2c61ea7526f/FLAGab0cf0bb8 [2023-11-23 20:36:52,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/data/ef8f10ba3/098d1a4a167544448878a2c61ea7526f [2023-11-23 20:36:52,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:52,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:52,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:52,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:52,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:52,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:52" (1/1) ... [2023-11-23 20:36:52,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2fe30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:52, skipping insertion in model container [2023-11-23 20:36:52,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:52" (1/1) ... [2023-11-23 20:36:52,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:52,788 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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i[919,932] [2023-11-23 20:36:52,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:52,936 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:52,949 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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i[919,932] [2023-11-23 20:36:52,985 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:53,003 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:53,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53 WrapperNode [2023-11-23 20:36:53,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:53,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:53,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:53,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:53,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,080 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2023-11-23 20:36:53,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:53,081 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:53,081 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:53,081 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:53,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,096 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,096 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:53,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:53,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:53,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:53,160 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (1/1) ... [2023-11-23 20:36:53,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:53,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:53,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:53,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:53,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:53,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:53,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:53,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:53,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:53,376 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:53,378 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:53,899 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:54,243 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:54,244 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:54,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:54 BoogieIcfgContainer [2023-11-23 20:36:54,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:54,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:54,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:54,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:54,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:52" (1/3) ... [2023-11-23 20:36:54,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6def53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:54, skipping insertion in model container [2023-11-23 20:36:54,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:53" (2/3) ... [2023-11-23 20:36:54,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6def53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:54, skipping insertion in model container [2023-11-23 20:36:54,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:54" (3/3) ... [2023-11-23 20:36:54,258 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i [2023-11-23 20:36:54,279 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:54,280 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:54,344 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:54,351 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;@3d7fecbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:54,351 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:54,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 20:36:54,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-23 20:36:54,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:54,372 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:36:54,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:54,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:54,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1456696231, now seen corresponding path program 1 times [2023-11-23 20:36:54,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:54,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778112144] [2023-11-23 20:36:54,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:54,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:54,620 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:36:54,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527781826] [2023-11-23 20:36:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:54,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:36:54,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:54,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:36:54,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:36:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:54,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:36:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:55,168 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:36:55,171 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:36:55,173 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:36:55,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:36:55,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:36:55,392 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:36:55,397 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:36:55,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:36:55 BoogieIcfgContainer [2023-11-23 20:36:55,564 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:36:55,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:36:55,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:36:55,565 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:36:55,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:54" (3/4) ... [2023-11-23 20:36:55,570 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:36:55,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:36:55,574 INFO L158 Benchmark]: Toolchain (without parser) took 3097.98ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 110.6MB in the beginning and 129.4MB in the end (delta: -18.8MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-23 20:36:55,575 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:55,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.68ms. Allocated memory is still 148.9MB. Free memory was 110.4MB in the beginning and 106.0MB in the end (delta: 4.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:55,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.33ms. Allocated memory is still 148.9MB. Free memory was 106.0MB in the beginning and 100.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:36:55,582 INFO L158 Benchmark]: Boogie Preprocessor took 76.29ms. Allocated memory is still 148.9MB. Free memory was 100.6MB in the beginning and 98.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:55,584 INFO L158 Benchmark]: RCFGBuilder took 1087.86ms. Allocated memory is still 148.9MB. Free memory was 98.2MB in the beginning and 91.6MB in the end (delta: 6.6MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2023-11-23 20:36:55,584 INFO L158 Benchmark]: TraceAbstraction took 1316.10ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 90.8MB in the beginning and 130.5MB in the end (delta: -39.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2023-11-23 20:36:55,585 INFO L158 Benchmark]: Witness Printer took 7.33ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 129.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:55,593 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 121.6MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.68ms. Allocated memory is still 148.9MB. Free memory was 110.4MB in the beginning and 106.0MB in the end (delta: 4.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.33ms. Allocated memory is still 148.9MB. Free memory was 106.0MB in the beginning and 100.6MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.29ms. Allocated memory is still 148.9MB. Free memory was 100.6MB in the beginning and 98.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1087.86ms. Allocated memory is still 148.9MB. Free memory was 98.2MB in the beginning and 91.6MB in the end (delta: 6.6MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1316.10ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 90.8MB in the beginning and 130.5MB in the end (delta: -39.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * Witness Printer took 7.33ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 129.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someUnaryDOUBLEoperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 56, overapproximation of someBinaryArithmeticFLOAToperation at line 115. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] float var_1_4 = 1.4; [L26] float var_1_7 = 9.25; [L27] float var_1_8 = 1.2; [L28] float var_1_9 = 0.0; [L29] float var_1_10 = 3.1; [L30] float var_1_11 = 500.5; [L31] signed long int var_1_12 = 0; [L32] unsigned char var_1_13 = 10; [L33] unsigned char var_1_14 = 8; [L34] unsigned char var_1_17 = 64; [L35] unsigned long int var_1_18 = 25; [L36] signed char var_1_19 = -100; [L37] signed short int var_1_20 = -4; [L38] unsigned short int var_1_21 = 200; [L39] unsigned short int var_1_22 = 54878; [L40] double var_1_23 = 9999.8; [L41] float var_1_24 = -0.25; [L42] signed char var_1_25 = 50; [L43] signed char var_1_26 = 100; [L44] unsigned char var_1_36 = 32; [L45] unsigned char var_1_39 = 64; [L46] unsigned char var_1_40 = 16; [L47] unsigned short int var_1_42 = 8; [L48] signed char var_1_43 = -16; [L49] unsigned char var_1_46 = 128; [L50] unsigned short int var_1_47 = 64; [L51] signed char var_1_49 = 0; [L52] signed char last_1_var_1_19 = -100; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L184] last_1_var_1_19 = var_1_19 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L143] var_1_2 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L145] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L146] var_1_3 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_3 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_3 <= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_7=37/4, var_1_8=6/5, var_1_9=0] [L149] var_1_7 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_8=6/5, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_8=6/5, var_1_9=0] [L151] var_1_8 = __VERIFIER_nondet_float() [L152] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5, var_1_9=0] [L153] var_1_9 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_9 >= 4611686.018427382800e+12F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_10=31/10, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L155] var_1_10 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_11=1001/2, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L157] var_1_11 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=10, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L159] var_1_13 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L161] CALL assume_abort_if_not(var_1_13 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_13 <= 64) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=8, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L162] var_1_14 = __VERIFIER_nondet_uchar() [L163] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L164] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=64, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L165] var_1_17 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L167] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L168] CALL assume_abort_if_not(var_1_17 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_17 != 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-4, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L169] var_1_20 = __VERIFIER_nondet_short() [L170] CALL assume_abort_if_not(var_1_20 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_20 >= -32768) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L171] CALL assume_abort_if_not(var_1_20 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_20 <= 32767) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L172] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=54878, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L173] var_1_22 = __VERIFIER_nondet_ushort() [L174] CALL assume_abort_if_not(var_1_22 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_22 >= 32767) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L175] CALL assume_abort_if_not(var_1_22 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_22 <= 65534) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L176] var_1_39 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_39 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_39 >= 63) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L178] CALL assume_abort_if_not(var_1_39 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_39 <= 127) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=16, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L179] var_1_40 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L181] CALL assume_abort_if_not(var_1_40 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=34, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_40 <= 63) VAL [isInitial=1, last_1_var_1_19=-100, var_1_12=0, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=25, var_1_19=-100, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=49999/5, var_1_25=50, var_1_26=100, var_1_2=0, var_1_36=32, var_1_39=64, var_1_3=0, var_1_40=34, var_1_42=8, var_1_43=-16, var_1_46=128, var_1_47=64, var_1_49=0, var_1_4=7/5] [L195] RET updateVariables() [L196] CALL step() [L56] COND FALSE !(var_1_9 < 256.5) [L67] COND TRUE (var_1_11 - var_1_9) > var_1_23 [L68] var_1_36 = ((var_1_39 - var_1_40) + var_1_17) [L72] COND FALSE !(\read(var_1_1)) [L75] COND FALSE !((((((var_1_10) > (var_1_10)) ? (var_1_10) : (var_1_10))) / var_1_9) > ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10)))) [L84] var_1_46 = var_1_40 [L85] COND TRUE var_1_13 < ((((var_1_40) > (var_1_17)) ? (var_1_40) : (var_1_17))) [L86] COND TRUE var_1_1 || (128.5 <= var_1_8) [L87] var_1_47 = (var_1_22 - var_1_39) [L92] var_1_49 = var_1_13 [L93] COND FALSE !(\read(var_1_2)) [L96] signed long int stepLocal_4 = 5; [L97] COND FALSE !(stepLocal_4 <= var_1_17) [L100] COND FALSE !(\read(var_1_1)) [L108] var_1_23 = var_1_10 [L109] var_1_24 = 31.75f [L110] var_1_25 = -5 [L111] unsigned char stepLocal_0 = var_1_1; [L112] COND TRUE (var_1_23 <= var_1_23) || stepLocal_0 [L113] var_1_4 = ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))) [L117] signed long int stepLocal_3 = (200 - var_1_13) - var_1_14; [L118] unsigned char stepLocal_2 = var_1_13; [L119] unsigned char stepLocal_1 = var_1_13; [L120] COND TRUE stepLocal_3 != var_1_25 [L121] var_1_12 = (var_1_13 + ((((var_1_14) < (var_1_21)) ? (var_1_14) : (var_1_21)))) [L133] COND TRUE (- (var_1_13 / var_1_17)) > var_1_25 [L134] var_1_18 = var_1_13 [L136] COND FALSE !((last_1_var_1_19 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_21) [L139] var_1_19 = var_1_17 [L196] RET step() [L197] CALL, EXPR property() [L187-L188] return ((((((((var_1_2 ? (var_1_1 == ((unsigned char) var_1_3)) : 1) && (((var_1_23 <= var_1_23) || var_1_1) ? (var_1_4 == ((float) ((((31.5f) > (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))))) ? (31.5f) : (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))))))) : (var_1_4 == ((float) ((var_1_9 - var_1_10) - var_1_11))))) && ((((200 - var_1_13) - var_1_14) != var_1_25) ? (var_1_12 == ((signed long int) (var_1_13 + ((((var_1_14) < (var_1_21)) ? (var_1_14) : (var_1_21)))))) : (((var_1_25 / (128 - var_1_17)) < var_1_13) ? ((var_1_13 >= var_1_25) ? (var_1_12 == ((signed long int) var_1_14)) : (var_1_12 == ((signed long int) var_1_17))) : (var_1_12 == ((signed long int) var_1_17))))) && (((- (var_1_13 / var_1_17)) > var_1_25) ? (var_1_18 == ((unsigned long int) var_1_13)) : 1)) && (((last_1_var_1_19 / ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20)))) > var_1_21) ? (var_1_19 == ((signed char) ((((var_1_17) > (var_1_13)) ? (var_1_17) : (var_1_13))))) : (var_1_19 == ((signed char) var_1_17)))) && ((5 <= var_1_17) ? (var_1_21 == ((unsigned short int) (var_1_22 - var_1_17))) : (var_1_1 ? (var_1_1 ? (var_1_21 == ((unsigned short int) var_1_17)) : (var_1_21 == ((unsigned short int) var_1_17))) : 1))) && (var_1_23 == ((double) var_1_10))) && (var_1_24 == ((float) 31.75f))) && (var_1_25 == ((signed char) -5)) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=127, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=0, var_1_19=4, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_26=100, var_1_2=0, var_1_36=34, var_1_39=64, var_1_3=0, var_1_40=34, var_1_42=8, var_1_43=-16, var_1_46=34, var_1_47=32703, var_1_49=0, var_1_4=63/2, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=-100, var_1_10=2, var_1_12=127, var_1_13=0, var_1_14=127, var_1_17=4, var_1_18=0, var_1_19=4, var_1_1=0, var_1_20=-1, var_1_21=200, var_1_22=32767, var_1_23=2, var_1_24=127/4, var_1_25=-5, var_1_26=100, var_1_2=0, var_1_36=34, var_1_39=64, var_1_3=0, var_1_40=34, var_1_42=8, var_1_43=-16, var_1_46=34, var_1_47=32703, var_1_49=0, var_1_4=63/2, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 25, 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=48occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 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 20:36:55,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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 9d32b1714789966fcf326a8af7d24f4afd80f3798898049f667e4b65b657d955 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:58,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:58,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:36:58,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:58,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:58,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:58,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:58,468 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:58,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:58,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:58,470 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:58,470 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:58,471 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:58,472 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:58,472 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:58,473 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:58,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:58,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:58,475 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:58,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:58,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:58,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:58,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:58,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:58,479 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:36:58,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:36:58,480 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:36:58,480 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:58,481 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:58,481 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:58,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:58,482 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:36:58,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:58,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:58,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:58,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:58,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:58,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:58,485 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:36:58,486 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:58,486 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:58,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:58,487 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:58,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:58,488 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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d32b1714789966fcf326a8af7d24f4afd80f3798898049f667e4b65b657d955 [2023-11-23 20:36:58,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:58,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:58,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:58,894 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:58,895 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:58,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i [2023-11-23 20:37:01,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:02,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:02,280 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i [2023-11-23 20:37:02,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/data/4d4dcded3/5aa54b36ee7547fab10b7c6b60103b6a/FLAG768262482 [2023-11-23 20:37:02,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/data/4d4dcded3/5aa54b36ee7547fab10b7c6b60103b6a [2023-11-23 20:37:02,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:02,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:02,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:02,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:02,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:02,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de9c20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02, skipping insertion in model container [2023-11-23 20:37:02,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,390 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:02,573 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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i[919,932] [2023-11-23 20:37:02,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:02,710 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:37:02,730 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_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i[919,932] [2023-11-23 20:37:02,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:02,853 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:37:02,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02 WrapperNode [2023-11-23 20:37:02,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:02,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:02,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:37:02,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:37:02,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,893 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,931 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-23 20:37:02,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:02,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:37:02,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:37:02,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:37:02,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,949 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,949 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:37:02,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:37:02,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:37:02,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:37:02,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:03,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:03,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:37:03,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:37:03,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:37:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:37:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:37:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:37:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:37:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:37:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:37:03,235 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:37:03,239 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:37:07,415 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:37:07,468 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:37:07,469 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:37:07,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:07 BoogieIcfgContainer [2023-11-23 20:37:07,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:37:07,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:37:07,472 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:37:07,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:37:07,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:37:02" (1/3) ... [2023-11-23 20:37:07,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695b23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:07, skipping insertion in model container [2023-11-23 20:37:07,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (2/3) ... [2023-11-23 20:37:07,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@695b23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:07, skipping insertion in model container [2023-11-23 20:37:07,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:07" (3/3) ... [2023-11-23 20:37:07,478 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-23.i [2023-11-23 20:37:07,496 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:37:07,496 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:37:07,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:37:07,549 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;@464059ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:37:07,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:37:07,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 49 states have (on average 1.510204081632653) internal successors, (74), 50 states have internal predecessors, (74), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 20:37:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-23 20:37:07,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:07,574 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:07,575 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:07,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:07,580 INFO L85 PathProgramCache]: Analyzing trace with hash -500965402, now seen corresponding path program 1 times [2023-11-23 20:37:07,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:07,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071843156] [2023-11-23 20:37:07,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:07,603 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 20:37:07,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:07,606 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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 20:37:07,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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 20:37:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:08,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:37:08,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 560 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-23 20:37:08,509 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:08,510 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:08,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071843156] [2023-11-23 20:37:08,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071843156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:08,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:08,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:37:08,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923930395] [2023-11-23 20:37:08,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:08,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:37:08,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:08,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:37:08,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:37:08,550 INFO L87 Difference]: Start difference. First operand has 77 states, 49 states have (on average 1.510204081632653) internal successors, (74), 50 states have internal predecessors, (74), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 20:37:09,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:09,270 INFO L93 Difference]: Finished difference Result 151 states and 271 transitions. [2023-11-23 20:37:09,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:37:09,288 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2023-11-23 20:37:09,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:09,295 INFO L225 Difference]: With dead ends: 151 [2023-11-23 20:37:09,295 INFO L226 Difference]: Without dead ends: 75 [2023-11-23 20:37:09,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 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 20:37:09,303 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:09,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-23 20:37:09,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-23 20:37:09,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-23 20:37:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 48 states have internal predecessors, (67), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 20:37:09,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-11-23 20:37:09,353 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 160 [2023-11-23 20:37:09,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:09,354 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-11-23 20:37:09,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 20:37:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-11-23 20:37:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-23 20:37:09,359 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:09,359 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:09,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:37:09,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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 20:37:09,574 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:09,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:09,575 INFO L85 PathProgramCache]: Analyzing trace with hash -696204712, now seen corresponding path program 1 times [2023-11-23 20:37:09,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:09,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807077546] [2023-11-23 20:37:09,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:09,576 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 20:37:09,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:09,578 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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 20:37:09,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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 20:37:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:10,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:37:10,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-23 20:37:11,233 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:11,233 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:11,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807077546] [2023-11-23 20:37:11,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807077546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:11,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:11,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:37:11,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410234488] [2023-11-23 20:37:11,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:11,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:37:11,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:11,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:37:11,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:37:11,241 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 20:37:13,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:13,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:13,364 INFO L93 Difference]: Finished difference Result 221 states and 345 transitions. [2023-11-23 20:37:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:37:13,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 160 [2023-11-23 20:37:13,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:13,371 INFO L225 Difference]: With dead ends: 221 [2023-11-23 20:37:13,372 INFO L226 Difference]: Without dead ends: 147 [2023-11-23 20:37:13,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:37:13,375 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 37 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:13,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 232 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 20:37:13,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-23 20:37:13,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2023-11-23 20:37:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-23 20:37:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 225 transitions. [2023-11-23 20:37:13,452 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 225 transitions. Word has length 160 [2023-11-23 20:37:13,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:13,453 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 225 transitions. [2023-11-23 20:37:13,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-23 20:37:13,454 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 225 transitions. [2023-11-23 20:37:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-23 20:37:13,458 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:13,458 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:37:13,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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 20:37:13,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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 20:37:13,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:13,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:13,674 INFO L85 PathProgramCache]: Analyzing trace with hash 2010414682, now seen corresponding path program 1 times [2023-11-23 20:37:13,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:13,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512413861] [2023-11-23 20:37:13,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:13,675 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 20:37:13,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:13,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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 20:37:13,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f9c3a8b-0ef2-4012-962c-8817c6d81c94/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)] Waiting until timeout for monitored process [2023-11-23 20:37:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:14,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-23 20:37:14,314 INFO L285 TraceCheckSpWp]: Computing forward predicates...