./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/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_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/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_4c0217b6-636a-41c0-8207-38be26c31d11/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 bde00ccefb5e248146fbd290384e24728232a31c5328963c8a8bd2a78e3d4a6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:51,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:51,701 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:31:51,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:51,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:51,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:51,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:51,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:51,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:51,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:51,739 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:51,740 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:51,740 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:51,741 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:51,742 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:51,742 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:51,743 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:51,743 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:51,744 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:51,745 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:51,745 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:51,746 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:51,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:51,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:51,748 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:31:51,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:51,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:31:51,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:51,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:51,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:51,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:51,767 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:31:51,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:51,767 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:51,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:51,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:51,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:51,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:51,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:51,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:51,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:51,771 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:51,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:51,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:51,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:51,772 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:51,772 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:51,773 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_4c0217b6-636a-41c0-8207-38be26c31d11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde00ccefb5e248146fbd290384e24728232a31c5328963c8a8bd2a78e3d4a6e [2023-11-23 21:31:52,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:52,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:52,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:52,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:52,071 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:52,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-23 21:31:55,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:55,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:55,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-23 21:31:55,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/data/0db2e63b5/4ee12bbe7de64813962b7264c3d431b3/FLAGe8274a9ba [2023-11-23 21:31:55,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/data/0db2e63b5/4ee12bbe7de64813962b7264c3d431b3 [2023-11-23 21:31:55,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:55,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:55,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:55,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:55,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:55,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:55,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5582705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55, skipping insertion in model container [2023-11-23 21:31:55,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:55,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:55,707 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_4c0217b6-636a-41c0-8207-38be26c31d11/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i[916,929] [2023-11-23 21:31:55,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:55,848 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:55,859 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_4c0217b6-636a-41c0-8207-38be26c31d11/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i[916,929] [2023-11-23 21:31:55,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:55,928 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:55,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55 WrapperNode [2023-11-23 21:31:55,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:55,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:55,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:55,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:55,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:55,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:56,026 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-11-23 21:31:56,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:56,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:56,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:56,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:56,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:56,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:56,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:56,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:56,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:56,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:56,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:56,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:56,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:56,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:56,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:56,101 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:56,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (1/1) ... [2023-11-23 21:31:56,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:56,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:56,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:56,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:31:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:31:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:56,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:56,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:56,311 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:56,315 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:56,924 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:31:57,234 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:31:57,234 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:31:57,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:57 BoogieIcfgContainer [2023-11-23 21:31:57,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:31:57,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:31:57,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:31:57,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:31:57,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:55" (1/3) ... [2023-11-23 21:31:57,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b5dcff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:57, skipping insertion in model container [2023-11-23 21:31:57,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:55" (2/3) ... [2023-11-23 21:31:57,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b5dcff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:57, skipping insertion in model container [2023-11-23 21:31:57,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:57" (3/3) ... [2023-11-23 21:31:57,247 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-23 21:31:57,270 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:31:57,270 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:31:57,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:31:57,348 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;@73a0ac80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:31:57,349 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:31:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:31:57,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:31:57,364 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:57,365 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:57,365 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:31:57,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:57,370 INFO L85 PathProgramCache]: Analyzing trace with hash -26439512, now seen corresponding path program 1 times [2023-11-23 21:31:57,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:31:57,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120995800] [2023-11-23 21:31:57,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:31:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:31:58,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:31:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:31:59,141 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:31:59,143 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:31:59,145 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:31:59,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:31:59,152 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:31:59,159 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:31:59,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:31:59 BoogieIcfgContainer [2023-11-23 21:31:59,330 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:31:59,333 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:31:59,333 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:31:59,333 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:31:59,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:57" (3/4) ... [2023-11-23 21:31:59,338 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:31:59,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:31:59,341 INFO L158 Benchmark]: Toolchain (without parser) took 3828.60ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 87.0MB in the beginning and 98.5MB in the end (delta: -11.5MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-23 21:31:59,341 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:31:59,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.74ms. Allocated memory is still 132.1MB. Free memory was 87.0MB in the beginning and 70.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:31:59,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.83ms. Allocated memory is still 132.1MB. Free memory was 70.4MB in the beginning and 66.0MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:31:59,346 INFO L158 Benchmark]: Boogie Preprocessor took 72.75ms. Allocated memory is still 132.1MB. Free memory was 66.0MB in the beginning and 63.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:31:59,350 INFO L158 Benchmark]: RCFGBuilder took 1135.64ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 63.5MB in the beginning and 113.5MB in the end (delta: -50.0MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-23 21:31:59,352 INFO L158 Benchmark]: TraceAbstraction took 2091.53ms. Allocated memory is still 190.8MB. Free memory was 113.5MB in the beginning and 99.6MB in the end (delta: 13.9MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2023-11-23 21:31:59,352 INFO L158 Benchmark]: Witness Printer took 6.66ms. Allocated memory is still 190.8MB. Free memory was 98.5MB in the beginning and 98.5MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:31:59,361 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 132.1MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.74ms. Allocated memory is still 132.1MB. Free memory was 87.0MB in the beginning and 70.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.83ms. Allocated memory is still 132.1MB. Free memory was 70.4MB in the beginning and 66.0MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.75ms. Allocated memory is still 132.1MB. Free memory was 66.0MB in the beginning and 63.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1135.64ms. Allocated memory was 132.1MB in the beginning and 190.8MB in the end (delta: 58.7MB). Free memory was 63.5MB in the beginning and 113.5MB in the end (delta: -50.0MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2091.53ms. Allocated memory is still 190.8MB. Free memory was 113.5MB in the beginning and 99.6MB in the end (delta: 13.9MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 6.66ms. Allocated memory is still 190.8MB. Free memory was 98.5MB in the beginning and 98.5MB in the end (delta: 2.6kB). 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 194, overapproximation of someUnaryDOUBLEoperation at line 91, overapproximation of someBinaryArithmeticDOUBLEoperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000000; [L23] double var_1_6 = 49.7; [L24] double var_1_7 = 16.5; [L25] unsigned char var_1_8 = 128; [L26] unsigned char var_1_10 = 2; [L27] unsigned char var_1_11 = 64; [L28] unsigned char var_1_12 = 2; [L29] unsigned char var_1_13 = 128; [L30] signed char var_1_14 = 64; [L31] signed char var_1_16 = 10; [L32] signed long int var_1_17 = -128; [L33] signed char var_1_18 = 16; [L34] unsigned long int var_1_20 = 16; [L35] float var_1_21 = 31.5; [L36] double var_1_22 = 5.4; [L37] float var_1_24 = 32.22; [L38] double var_1_25 = 5.9; [L39] double var_1_26 = 0.0; [L40] double var_1_27 = 0.15; [L41] double var_1_28 = 2.5; [L42] double var_1_29 = 255.5; [L43] unsigned long int var_1_30 = 5; [L44] unsigned char var_1_31 = 128; [L45] double var_1_32 = 128.875; [L46] unsigned char var_1_33 = 64; [L47] unsigned char var_1_34 = 1; [L48] unsigned char var_1_35 = 1; [L49] unsigned char var_1_36 = 1; [L50] unsigned char var_1_37 = 0; [L51] signed long int var_1_38 = -50; [L52] unsigned char last_1_var_1_8 = 128; [L53] signed char last_1_var_1_18 = 16; [L54] float last_1_var_1_21 = 31.5; [L55] unsigned long int last_1_var_1_30 = 5; [L56] signed long int last_1_var_1_38 = -50; [L198] isInitial = 1 [L199] FCALL initially() [L200] COND TRUE 1 [L201] CALL updateLastVariables() [L187] last_1_var_1_8 = var_1_8 [L188] last_1_var_1_18 = var_1_18 [L189] last_1_var_1_21 = var_1_21 [L190] last_1_var_1_30 = var_1_30 [L191] last_1_var_1_38 = var_1_38 [L201] RET updateLastVariables() [L202] CALL updateVariables() [L140] var_1_7 = __VERIFIER_nondet_double() [L141] 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_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=2, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L141] 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_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=2, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L142] var_1_10 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L144] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L145] var_1_11 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L147] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L148] var_1_12 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L150] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L151] var_1_13 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L153] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L154] var_1_16 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L156] CALL assume_abort_if_not(var_1_16 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_16 <= 31) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L157] var_1_22 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L159] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L160] var_1_24 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L162] var_1_26 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L164] var_1_27 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L166] var_1_28 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L168] var_1_29 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L170] var_1_32 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L172] CALL assume_abort_if_not(var_1_32 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_32 != 0.0F) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L173] var_1_33 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_33 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_33 >= 64) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L175] CALL assume_abort_if_not(var_1_33 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_33 <= 127) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L176] var_1_35 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_35 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_35 >= 1) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L178] CALL assume_abort_if_not(var_1_35 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_35 <= 1) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L179] var_1_36 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_36 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_36 >= 1) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L181] CALL assume_abort_if_not(var_1_36 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_36 <= 1) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L182] var_1_37 = __VERIFIER_nondet_uchar() [L183] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L184] CALL assume_abort_if_not(var_1_37 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_37 <= 0) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L202] RET updateVariables() [L203] CALL step() [L60] var_1_30 = ((((last_1_var_1_18) > ((var_1_12 + (1781986326u - var_1_16)))) ? (last_1_var_1_18) : ((var_1_12 + (1781986326u - var_1_16))))) [L61] unsigned long int stepLocal_1 = (((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)); [L62] COND TRUE var_1_12 <= stepLocal_1 [L63] var_1_14 = (var_1_12 + (-8 + (2 - var_1_16))) [L65] COND TRUE last_1_var_1_8 >= (last_1_var_1_30 / 32u) [L66] var_1_31 = (var_1_13 - var_1_12) [L74] var_1_38 = var_1_31 [L75] signed long int stepLocal_4 = last_1_var_1_38; [L76] signed long int stepLocal_3 = (((var_1_10) < ((var_1_12 + var_1_11))) ? (var_1_10) : ((var_1_12 + var_1_11))); [L77] COND TRUE last_1_var_1_21 <= ((((var_1_22) > (var_1_7)) ? (var_1_22) : (var_1_7))) [L78] var_1_34 = (var_1_35 && var_1_36) [L90] COND TRUE ((((var_1_14) > (256)) ? (var_1_14) : (256))) >= var_1_10 [L91] var_1_25 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) [L99] COND TRUE var_1_25 <= ((var_1_7 / var_1_22) + var_1_25) [L100] var_1_21 = (((((9.8f) < (24.8f)) ? (9.8f) : (24.8f))) - var_1_24) [L104] COND TRUE \read(var_1_34) [L105] var_1_6 = var_1_7 [L107] COND TRUE var_1_34 || var_1_34 [L108] var_1_20 = (var_1_16 + (var_1_12 + var_1_31)) [L110] unsigned char stepLocal_0 = (var_1_20 >= var_1_31) || var_1_34; [L111] COND TRUE var_1_34 || stepLocal_0 [L112] var_1_8 = 10 [L120] COND TRUE (var_1_38 >= var_1_16) || (var_1_11 < 4) [L121] var_1_17 = (var_1_13 + 256) [L125] COND TRUE \read(var_1_34) [L126] COND FALSE !(! (var_1_31 != var_1_20)) [L129] var_1_1 = var_1_8 [L134] unsigned char stepLocal_2 = var_1_17 < var_1_14; [L135] COND FALSE !(var_1_34 && stepLocal_2) [L203] RET step() [L204] CALL, EXPR property() [L194-L195] return ((((((((((((var_1_34 ? ((! (var_1_31 != var_1_20)) ? (var_1_1 == ((unsigned long int) var_1_8)) : (var_1_1 == ((unsigned long int) var_1_8))) : (var_1_1 == ((unsigned long int) var_1_8))) && (var_1_34 ? (var_1_6 == ((double) var_1_7)) : 1)) && ((var_1_34 || ((var_1_20 >= var_1_31) || var_1_34)) ? (var_1_8 == ((unsigned char) 10)) : (var_1_34 ? (var_1_8 == ((unsigned char) (var_1_10 + (var_1_11 - var_1_12)))) : (var_1_8 == ((unsigned char) (var_1_13 - var_1_10)))))) && ((var_1_12 <= ((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)))) ? (var_1_14 == ((signed char) (var_1_12 + (-8 + (2 - var_1_16))))) : 1)) && (((var_1_38 >= var_1_16) || (var_1_11 < 4)) ? (var_1_17 == ((signed long int) (var_1_13 + 256))) : (var_1_17 == ((signed long int) var_1_20)))) && ((var_1_34 && (var_1_17 < var_1_14)) ? (var_1_18 == ((signed char) (var_1_12 - var_1_16))) : 1)) && ((var_1_34 || var_1_34) ? (var_1_20 == ((unsigned long int) (var_1_16 + (var_1_12 + var_1_31)))) : 1)) && ((var_1_25 <= ((var_1_7 / var_1_22) + var_1_25)) ? (var_1_21 == ((float) (((((9.8f) < (24.8f)) ? (9.8f) : (24.8f))) - var_1_24))) : (var_1_21 == ((float) var_1_24)))) && ((((((var_1_14) > (256)) ? (var_1_14) : (256))) >= var_1_10) ? (var_1_25 == ((double) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : (var_1_34 ? (var_1_25 == ((double) (var_1_24 - 255.6))) : (var_1_25 == ((double) (var_1_26 + ((var_1_27 + var_1_28) + var_1_29))))))) && (var_1_30 == ((unsigned long int) ((((last_1_var_1_18) > ((var_1_12 + (1781986326u - var_1_16)))) ? (last_1_var_1_18) : ((var_1_12 + (1781986326u - var_1_16)))))))) && ((last_1_var_1_8 >= (last_1_var_1_30 / 32u)) ? (var_1_31 == ((unsigned char) (var_1_13 - var_1_12))) : ((var_1_27 < (var_1_22 / var_1_32)) ? (var_1_31 == ((unsigned char) ((100 + var_1_33) - var_1_16))) : (var_1_31 == ((unsigned char) var_1_16))))) && ((last_1_var_1_21 <= ((((var_1_22) > (var_1_7)) ? (var_1_22) : (var_1_7)))) ? (var_1_34 == ((unsigned char) (var_1_35 && var_1_36))) : ((last_1_var_1_38 <= ((((var_1_10) < ((var_1_12 + var_1_11))) ? (var_1_10) : ((var_1_12 + var_1_11))))) ? ((var_1_10 <= last_1_var_1_38) ? (var_1_34 == ((unsigned char) 0)) : (var_1_34 == ((unsigned char) ((var_1_28 != ((((var_1_7) > (last_1_var_1_21)) ? (var_1_7) : (last_1_var_1_21)))) && (! (var_1_35 || var_1_36)))))) : (var_1_34 == ((unsigned char) var_1_37))))) && (var_1_38 == ((signed long int) var_1_31)) ; [L204] RET, EXPR property() [L204] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=57, var_1_16=0, var_1_17=510, var_1_18=16, var_1_1=10, var_1_20=254, var_1_21=1781986394, var_1_24=1781986394, var_1_25=497/10, var_1_30=1781986389, var_1_31=191, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=191, var_1_6=497/10, var_1_7=497/10, var_1_8=10] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=57, var_1_16=0, var_1_17=510, var_1_18=16, var_1_1=10, var_1_20=254, var_1_21=1781986394, var_1_24=1781986394, var_1_25=497/10, var_1_30=1781986389, var_1_31=191, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=191, var_1_6=497/10, var_1_7=497/10, var_1_8=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 28, 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=54occurred 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, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:31:59,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/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_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/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_4c0217b6-636a-41c0-8207-38be26c31d11/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 bde00ccefb5e248146fbd290384e24728232a31c5328963c8a8bd2a78e3d4a6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:32:02,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:32:02,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:32:02,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:32:02,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:32:02,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:32:02,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:32:02,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:32:02,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:32:02,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:32:02,379 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:32:02,379 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:32:02,380 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:32:02,382 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:32:02,382 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:32:02,383 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:32:02,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:32:02,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:32:02,385 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:32:02,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:32:02,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:32:02,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:32:02,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:32:02,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:32:02,388 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:32:02,389 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:32:02,389 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:32:02,390 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:32:02,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:32:02,391 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:32:02,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:32:02,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:32:02,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:32:02,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:32:02,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:02,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:32:02,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:32:02,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:32:02,395 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:32:02,396 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:02,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:32:02,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:32:02,397 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:32:02,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:32:02,397 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_4c0217b6-636a-41c0-8207-38be26c31d11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde00ccefb5e248146fbd290384e24728232a31c5328963c8a8bd2a78e3d4a6e [2023-11-23 21:32:02,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:32:02,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:32:02,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:32:02,873 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:32:02,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:32:02,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-23 21:32:06,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:32:06,555 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:32:06,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-23 21:32:06,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/data/18c416cb3/e70bd5ee11c546e79eb2eb9208e34cef/FLAG5f6b05025 [2023-11-23 21:32:06,590 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/data/18c416cb3/e70bd5ee11c546e79eb2eb9208e34cef [2023-11-23 21:32:06,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:32:06,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:32:06,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:06,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:32:06,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:32:06,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:06" (1/1) ... [2023-11-23 21:32:06,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d0f9bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:06, skipping insertion in model container [2023-11-23 21:32:06,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:32:06" (1/1) ... [2023-11-23 21:32:06,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:32:06,858 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_4c0217b6-636a-41c0-8207-38be26c31d11/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i[916,929] [2023-11-23 21:32:06,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:06,997 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:32:07,015 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_4c0217b6-636a-41c0-8207-38be26c31d11/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i[916,929] [2023-11-23 21:32:07,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:32:07,114 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:32:07,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07 WrapperNode [2023-11-23 21:32:07,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:32:07,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:07,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:32:07,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:32:07,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,208 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-23 21:32:07,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:32:07,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:32:07,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:32:07,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:32:07,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:32:07,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:32:07,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:32:07,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:32:07,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (1/1) ... [2023-11-23 21:32:07,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:32:07,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:32:07,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:32:07,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:32:07,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:32:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:32:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:32:07,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:32:07,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:32:07,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:32:07,488 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:32:07,491 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:32:19,793 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:32:19,859 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:32:19,860 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:32:19,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:19 BoogieIcfgContainer [2023-11-23 21:32:19,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:32:19,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:32:19,863 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:32:19,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:32:19,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:32:06" (1/3) ... [2023-11-23 21:32:19,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa6e55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:19, skipping insertion in model container [2023-11-23 21:32:19,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:32:07" (2/3) ... [2023-11-23 21:32:19,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa6e55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:32:19, skipping insertion in model container [2023-11-23 21:32:19,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:32:19" (3/3) ... [2023-11-23 21:32:19,871 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-23 21:32:19,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:32:19,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:32:19,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:32:19,958 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;@6debd58a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:32:19,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:32:19,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:32:19,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-23 21:32:19,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:19,994 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:19,995 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:20,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:20,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1972462218, now seen corresponding path program 1 times [2023-11-23 21:32:20,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:20,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [263638944] [2023-11-23 21:32:20,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:20,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:32:20,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:20,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:32:20,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:32:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:22,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:32:22,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-23 21:32:22,402 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:22,403 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:22,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [263638944] [2023-11-23 21:32:22,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [263638944] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:22,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:32:22,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:32:22,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589448151] [2023-11-23 21:32:22,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:22,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:32:22,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:22,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:32:22,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:32:22,446 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:32:25,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:25,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:25,085 INFO L93 Difference]: Finished difference Result 152 states and 274 transitions. [2023-11-23 21:32:25,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:32:25,265 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 176 [2023-11-23 21:32:25,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:25,273 INFO L225 Difference]: With dead ends: 152 [2023-11-23 21:32:25,273 INFO L226 Difference]: Without dead ends: 75 [2023-11-23 21:32:25,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:32:25,280 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:25,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2023-11-23 21:32:25,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-23 21:32:25,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-23 21:32:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 45 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:32:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-11-23 21:32:25,338 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 176 [2023-11-23 21:32:25,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:25,338 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-11-23 21:32:25,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 21:32:25,339 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-11-23 21:32:25,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-23 21:32:25,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:25,344 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:25,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/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 21:32:25,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:32:25,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:25,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash -351875542, now seen corresponding path program 1 times [2023-11-23 21:32:25,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:25,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2042371354] [2023-11-23 21:32:25,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:25,563 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:32:25,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:25,565 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:32:25,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:32:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:27,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:32:27,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 532 proven. 21 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2023-11-23 21:32:32,042 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:32:36,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 135 proven. 24 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-11-23 21:32:36,416 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:32:36,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2042371354] [2023-11-23 21:32:36,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2042371354] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:32:36,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1439114341] [2023-11-23 21:32:36,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:36,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:36,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:32:36,456 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:32:36,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:32:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:37,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:32:37,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:37,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-23 21:32:37,747 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:32:37,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1439114341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:32:37,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:32:37,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 9] total 14 [2023-11-23 21:32:37,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682440413] [2023-11-23 21:32:37,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:32:37,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:32:37,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:32:37,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:32:37,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:32:37,757 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:32:40,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:42,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:45,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:32:45,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:32:45,287 INFO L93 Difference]: Finished difference Result 218 states and 340 transitions. [2023-11-23 21:32:45,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:32:45,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 176 [2023-11-23 21:32:45,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:32:45,295 INFO L225 Difference]: With dead ends: 218 [2023-11-23 21:32:45,295 INFO L226 Difference]: Without dead ends: 144 [2023-11-23 21:32:45,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-23 21:32:45,300 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 97 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:32:45,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 210 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 3 Unknown, 0 Unchecked, 7.5s Time] [2023-11-23 21:32:45,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-23 21:32:45,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 80. [2023-11-23 21:32:45,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 50 states have (on average 1.34) internal successors, (67), 50 states have internal predecessors, (67), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 21:32:45,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 123 transitions. [2023-11-23 21:32:45,328 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 123 transitions. Word has length 176 [2023-11-23 21:32:45,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:32:45,331 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 123 transitions. [2023-11-23 21:32:45,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-23 21:32:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2023-11-23 21:32:45,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-23 21:32:45,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:32:45,336 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:32:45,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:45,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:32:45,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:32:45,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:32:45,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:32:45,765 INFO L85 PathProgramCache]: Analyzing trace with hash -43837974, now seen corresponding path program 1 times [2023-11-23 21:32:45,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:32:45,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652984978] [2023-11-23 21:32:45,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:32:45,766 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:32:45,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:32:45,768 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:32:45,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0217b6-636a-41c0-8207-38be26c31d11/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 21:32:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:32:48,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:32:48,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:32:51,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 532 proven. 21 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2023-11-23 21:32:51,232 INFO L327 TraceCheckSpWp]: Computing backward predicates...