./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60b21ba3fb00b4e335ec36ddd9989e75eec0a28c31e45cd8a1acbc527ae3aa22 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:15:53,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:15:54,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:15:54,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:15:54,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:15:54,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:15:54,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:15:54,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:15:54,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:15:54,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:15:54,061 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:15:54,062 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:15:54,063 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:15:54,064 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:15:54,065 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:15:54,065 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:15:54,066 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:15:54,066 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:15:54,067 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:15:54,067 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:15:54,068 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:15:54,068 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:15:54,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:15:54,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:15:54,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:15:54,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:15:54,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:15:54,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:15:54,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:15:54,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:15:54,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:15:54,074 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:15:54,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:15:54,075 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:15:54,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:15:54,075 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:15:54,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:15:54,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:54,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:15:54,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:15:54,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:15:54,077 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:15:54,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:15:54,077 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:15:54,078 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:15:54,078 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:15:54,078 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:15:54,078 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_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60b21ba3fb00b4e335ec36ddd9989e75eec0a28c31e45cd8a1acbc527ae3aa22 [2023-11-24 23:15:54,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:15:54,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:15:54,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:15:54,458 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:15:54,459 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:15:54,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i [2023-11-24 23:15:57,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:15:57,927 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:15:57,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i [2023-11-24 23:15:57,941 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/data/9c6825ee1/da51e7cded8e457ba7f022e02d506489/FLAG683c28bfc [2023-11-24 23:15:58,237 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/data/9c6825ee1/da51e7cded8e457ba7f022e02d506489 [2023-11-24 23:15:58,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:15:58,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:15:58,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:58,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:15:58,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:15:58,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bcf93a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58, skipping insertion in model container [2023-11-24 23:15:58,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,307 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:15:58,502 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_1fa46755-f045-449a-9292-13c46ad83434/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i[917,930] [2023-11-24 23:15:58,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:58,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:15:58,659 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_1fa46755-f045-449a-9292-13c46ad83434/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i[917,930] [2023-11-24 23:15:58,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:15:58,745 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:15:58,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58 WrapperNode [2023-11-24 23:15:58,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:15:58,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:58,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:15:58,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:15:58,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,837 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 212 [2023-11-24 23:15:58,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:15:58,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:15:58,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:15:58,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:15:58,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:15:58,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:15:58,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:15:58,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:15:58,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (1/1) ... [2023-11-24 23:15:58,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:15:58,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:15:58,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:15:58,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:15:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:15:59,018 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:15:59,018 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:15:59,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:15:59,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:15:59,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:15:59,157 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:15:59,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:15:59,794 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:16:00,125 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:16:00,131 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:16:00,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:16:00 BoogieIcfgContainer [2023-11-24 23:16:00,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:16:00,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:16:00,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:16:00,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:16:00,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:15:58" (1/3) ... [2023-11-24 23:16:00,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c64d04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:16:00, skipping insertion in model container [2023-11-24 23:16:00,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:15:58" (2/3) ... [2023-11-24 23:16:00,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c64d04d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:16:00, skipping insertion in model container [2023-11-24 23:16:00,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:16:00" (3/3) ... [2023-11-24 23:16:00,147 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-88.i [2023-11-24 23:16:00,169 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:16:00,169 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:16:00,236 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:16:00,242 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;@7b0bd27e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:16:00,243 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:16:00,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-24 23:16:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-24 23:16:00,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:16:00,263 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:16:00,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:16:00,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:16:00,270 INFO L85 PathProgramCache]: Analyzing trace with hash 803067297, now seen corresponding path program 1 times [2023-11-24 23:16:00,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:16:00,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264787592] [2023-11-24 23:16:00,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:16:00,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:16:00,505 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:16:00,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2051946364] [2023-11-24 23:16:00,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:16:00,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:16:00,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:16:00,513 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:16:00,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:16:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:16:00,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:16:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:16:01,140 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:16:01,143 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:16:01,144 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:16:01,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-24 23:16:01,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:16:01,358 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:16:01,366 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:16:01,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:16:01 BoogieIcfgContainer [2023-11-24 23:16:01,505 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:16:01,506 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:16:01,506 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:16:01,506 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:16:01,507 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:16:00" (3/4) ... [2023-11-24 23:16:01,509 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:16:01,510 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:16:01,512 INFO L158 Benchmark]: Toolchain (without parser) took 3270.14ms. Allocated memory was 151.0MB in the beginning and 228.6MB in the end (delta: 77.6MB). Free memory was 108.5MB in the beginning and 116.4MB in the end (delta: -7.9MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2023-11-24 23:16:01,513 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:16:01,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.18ms. Allocated memory is still 151.0MB. Free memory was 108.5MB in the beginning and 94.2MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:16:01,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.10ms. Allocated memory is still 151.0MB. Free memory was 94.2MB in the beginning and 89.6MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:16:01,515 INFO L158 Benchmark]: Boogie Preprocessor took 83.32ms. Allocated memory is still 151.0MB. Free memory was 89.6MB in the beginning and 87.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:16:01,516 INFO L158 Benchmark]: RCFGBuilder took 1209.11ms. Allocated memory was 151.0MB in the beginning and 228.6MB in the end (delta: 77.6MB). Free memory was 87.2MB in the beginning and 167.8MB in the end (delta: -80.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-11-24 23:16:01,516 INFO L158 Benchmark]: TraceAbstraction took 1369.91ms. Allocated memory is still 228.6MB. Free memory was 166.7MB in the beginning and 116.4MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-24 23:16:01,517 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 228.6MB. Free memory is still 116.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:16:01,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 124.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 503.18ms. Allocated memory is still 151.0MB. Free memory was 108.5MB in the beginning and 94.2MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.10ms. Allocated memory is still 151.0MB. Free memory was 94.2MB in the beginning and 89.6MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.32ms. Allocated memory is still 151.0MB. Free memory was 89.6MB in the beginning and 87.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1209.11ms. Allocated memory was 151.0MB in the beginning and 228.6MB in the end (delta: 77.6MB). Free memory was 87.2MB in the beginning and 167.8MB in the end (delta: -80.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1369.91ms. Allocated memory is still 228.6MB. Free memory was 166.7MB in the beginning and 116.4MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 228.6MB. Free memory is still 116.4MB. 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 49, overapproximation of shiftLeft at line 88, overapproximation of bitwiseOr at line 89, overapproximation of someBinaryArithmeticDOUBLEoperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 60. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 15.8; [L23] float var_1_2 = 9.5; [L24] unsigned char var_1_3 = 1; [L25] float var_1_4 = 127.6; [L26] double var_1_5 = 100000000000000.5; [L27] double var_1_6 = 100000000000000.7; [L28] double var_1_7 = 256.75; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 1; [L31] unsigned char var_1_10 = 0; [L32] unsigned char var_1_11 = 0; [L33] signed char var_1_12 = 0; [L34] signed char var_1_13 = 2; [L35] unsigned char var_1_14 = 1; [L36] unsigned char var_1_15 = 16; [L37] unsigned char var_1_16 = 10; [L38] unsigned char var_1_17 = 5; [L39] unsigned char var_1_18 = 4; [L40] unsigned char var_1_19 = 8; [L41] unsigned char var_1_20 = 8; [L42] unsigned short int var_1_21 = 128; [L43] unsigned char var_1_22 = 0; [L44] unsigned short int var_1_23 = 100; [L45] unsigned short int var_1_24 = 34649; [L157] isInitial = 1 [L158] FCALL initially() [L159] COND TRUE 1 [L160] FCALL updateLastVariables() [L161] CALL updateVariables() [L99] var_1_2 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L101] var_1_3 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_4=638/5, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L104] var_1_4 = __VERIFIER_nondet_float() [L105] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_5=200000000000001/2, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L106] var_1_5 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_6=1000000000000007/10, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L108] var_1_6 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_7=1027/4, var_1_8=0, var_1_9=1] [L110] var_1_7 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L112] var_1_9 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L114] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L115] var_1_10 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L117] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L118] var_1_11 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L120] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=2, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L121] var_1_13 = __VERIFIER_nondet_char() [L122] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L123] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=16, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L124] var_1_15 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L126] CALL assume_abort_if_not(var_1_15 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_15 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=10, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L127] var_1_16 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L129] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_16 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_16 != 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_17=5, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L131] var_1_17 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L133] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=4, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L134] var_1_18 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L136] CALL assume_abort_if_not(var_1_18 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_18 <= 64) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=8, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L137] var_1_19 = __VERIFIER_nondet_uchar() [L138] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L139] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=8, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L140] var_1_20 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L142] CALL assume_abort_if_not(var_1_20 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_20 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_23=100, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L143] var_1_23 = __VERIFIER_nondet_ushort() [L144] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L145] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=34649, var_1_3=1, var_1_8=0, var_1_9=1] [L146] var_1_24 = __VERIFIER_nondet_ushort() [L147] CALL assume_abort_if_not(var_1_24 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=65527, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_24 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=65527, var_1_3=1, var_1_8=0, var_1_9=1] [L148] CALL assume_abort_if_not(var_1_24 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=65527, var_1_3=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_24 <= 65535) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_16=2, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=0, var_1_24=65527, var_1_3=1, var_1_8=0, var_1_9=1] [L161] RET updateVariables() [L162] CALL step() [L49] COND TRUE 64.5f <= var_1_2 [L50] COND TRUE \read(var_1_3) [L51] COND TRUE var_1_2 == var_1_4 [L52] var_1_1 = (var_1_5 + ((((((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) < (50.25)) ? (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) : (50.25)))) [L60] COND TRUE var_1_1 > ((var_1_4 * var_1_5) + 5.3) [L61] COND FALSE !((var_1_7 + var_1_4) < var_1_6) [L64] var_1_8 = var_1_10 [L69] COND TRUE ((- var_1_4) / 24.75) < var_1_6 [L70] COND FALSE !(var_1_7 >= var_1_4) [L73] var_1_12 = var_1_13 [L76] unsigned char stepLocal_0 = var_1_15; [L77] COND FALSE !(stepLocal_0 < ((var_1_12 / var_1_16) * var_1_17)) [L80] var_1_14 = var_1_18 [L82] unsigned char stepLocal_1 = var_1_10; [L83] COND FALSE !(var_1_3 && stepLocal_1) [L86] unsigned short int stepLocal_3 = var_1_23; [L87] unsigned char stepLocal_2 = var_1_19; [L88] EXPR var_1_18 << var_1_15 [L88] COND FALSE !(stepLocal_2 == (var_1_18 << var_1_15)) [L95] var_1_22 = 64 [L162] RET step() [L163] CALL, EXPR property() [L153] EXPR ((((((64.5f <= var_1_2) ? (var_1_3 ? ((var_1_2 == var_1_4) ? (var_1_1 == ((double) (var_1_5 + ((((((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) < (50.25)) ? (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) : (50.25)))))) : (var_1_1 == ((double) var_1_7))) : (var_1_1 == ((double) var_1_5))) : 1) && ((var_1_1 > ((var_1_4 * var_1_5) + 5.3)) ? (((var_1_7 + var_1_4) < var_1_6) ? (var_1_8 == ((unsigned char) var_1_9)) : (var_1_8 == ((unsigned char) var_1_10))) : (var_1_8 == ((unsigned char) var_1_11)))) && ((((- var_1_4) / 24.75) < var_1_6) ? ((var_1_7 >= var_1_4) ? (var_1_12 == ((signed char) var_1_13)) : (var_1_12 == ((signed char) var_1_13))) : 1)) && ((var_1_15 < ((var_1_12 / var_1_16) * var_1_17)) ? (var_1_14 == ((unsigned char) ((var_1_18 + var_1_19) + var_1_20))) : (var_1_14 == ((unsigned char) var_1_18)))) && ((var_1_3 && var_1_10) ? (var_1_21 == ((unsigned short int) ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (2)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (2))))) : 1)) && ((var_1_19 == (var_1_18 << var_1_15)) ? ((var_1_23 >= ((var_1_15 | var_1_18) / (var_1_24 - 1))) ? (var_1_22 == ((unsigned char) 2)) : (var_1_22 == ((unsigned char) var_1_20))) : (var_1_22 == ((unsigned char) 64))) [L153-L154] return ((((((64.5f <= var_1_2) ? (var_1_3 ? ((var_1_2 == var_1_4) ? (var_1_1 == ((double) (var_1_5 + ((((((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) < (50.25)) ? (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7)))) : (50.25)))))) : (var_1_1 == ((double) var_1_7))) : (var_1_1 == ((double) var_1_5))) : 1) && ((var_1_1 > ((var_1_4 * var_1_5) + 5.3)) ? (((var_1_7 + var_1_4) < var_1_6) ? (var_1_8 == ((unsigned char) var_1_9)) : (var_1_8 == ((unsigned char) var_1_10))) : (var_1_8 == ((unsigned char) var_1_11)))) && ((((- var_1_4) / 24.75) < var_1_6) ? ((var_1_7 >= var_1_4) ? (var_1_12 == ((signed char) var_1_13)) : (var_1_12 == ((signed char) var_1_13))) : 1)) && ((var_1_15 < ((var_1_12 / var_1_16) * var_1_17)) ? (var_1_14 == ((unsigned char) ((var_1_18 + var_1_19) + var_1_20))) : (var_1_14 == ((unsigned char) var_1_18)))) && ((var_1_3 && var_1_10) ? (var_1_21 == ((unsigned short int) ((((((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) > (2)) ? (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))) : (2))))) : 1)) && ((var_1_19 == (var_1_18 << var_1_15)) ? ((var_1_23 >= ((var_1_15 | var_1_18) / (var_1_24 - 1))) ? (var_1_22 == ((unsigned char) 2)) : (var_1_22 == ((unsigned char) var_1_20))) : (var_1_22 == ((unsigned char) 64))) ; [L163] RET, EXPR property() [L163] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=2, var_1_17=255, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=64, var_1_23=0, var_1_24=65527, var_1_3=1, var_1_5=0, var_1_7=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=2, var_1_17=255, var_1_18=1, var_1_19=0, var_1_1=79/5, var_1_20=0, var_1_21=128, var_1_22=64, var_1_23=0, var_1_24=65527, var_1_3=1, var_1_5=0, var_1_7=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 32, 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=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:16:01,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60b21ba3fb00b4e335ec36ddd9989e75eec0a28c31e45cd8a1acbc527ae3aa22 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:16:04,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:16:04,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:16:04,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:16:04,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:16:04,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:16:04,454 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:16:04,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:16:04,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:16:04,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:16:04,461 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:16:04,462 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:16:04,462 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:16:04,464 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:16:04,464 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:16:04,465 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:16:04,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:16:04,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:16:04,467 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:16:04,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:16:04,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:16:04,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:16:04,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:16:04,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:16:04,471 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:16:04,471 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:16:04,472 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:16:04,472 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:16:04,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:16:04,473 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:16:04,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:16:04,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:16:04,475 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:16:04,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:16:04,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:16:04,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:16:04,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:16:04,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:16:04,477 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:16:04,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:16:04,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:16:04,479 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:16:04,479 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:16:04,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:16:04,480 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_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60b21ba3fb00b4e335ec36ddd9989e75eec0a28c31e45cd8a1acbc527ae3aa22 [2023-11-24 23:16:04,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:16:04,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:16:04,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:16:04,904 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:16:04,905 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:16:04,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i [2023-11-24 23:16:08,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:16:08,347 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:16:08,347 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i [2023-11-24 23:16:08,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/data/0eea5f325/a639c84d9ca94ddcb5a336d9fcaffc14/FLAG1e5a5c4fc [2023-11-24 23:16:08,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/data/0eea5f325/a639c84d9ca94ddcb5a336d9fcaffc14 [2023-11-24 23:16:08,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:16:08,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:16:08,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:16:08,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:16:08,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:16:08,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fc3482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08, skipping insertion in model container [2023-11-24 23:16:08,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,427 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:16:08,610 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_1fa46755-f045-449a-9292-13c46ad83434/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i[917,930] [2023-11-24 23:16:08,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:16:08,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:16:08,721 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_1fa46755-f045-449a-9292-13c46ad83434/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-88.i[917,930] [2023-11-24 23:16:08,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:16:08,776 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:16:08,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08 WrapperNode [2023-11-24 23:16:08,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:16:08,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:16:08,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:16:08,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:16:08,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,836 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2023-11-24 23:16:08,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:16:08,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:16:08,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:16:08,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:16:08,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:16:08,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:16:08,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:16:08,890 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:16:08,891 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (1/1) ... [2023-11-24 23:16:08,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:16:08,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:16:08,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:16:08,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:16:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:16:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:16:08,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:16:08,984 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:16:08,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:16:08,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:16:09,130 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:16:09,138 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:16:22,584 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:16:22,667 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:16:22,668 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:16:22,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:16:22 BoogieIcfgContainer [2023-11-24 23:16:22,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:16:22,671 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:16:22,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:16:22,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:16:22,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:16:08" (1/3) ... [2023-11-24 23:16:22,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712fdc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:16:22, skipping insertion in model container [2023-11-24 23:16:22,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:16:08" (2/3) ... [2023-11-24 23:16:22,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712fdc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:16:22, skipping insertion in model container [2023-11-24 23:16:22,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:16:22" (3/3) ... [2023-11-24 23:16:22,678 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-88.i [2023-11-24 23:16:22,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:16:22,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:16:22,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:16:22,749 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;@28fecddc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:16:22,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:16:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-24 23:16:22,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-24 23:16:22,782 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:16:22,783 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:16:22,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:16:22,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:16:22,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1202784969, now seen corresponding path program 1 times [2023-11-24 23:16:22,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:16:22,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1937062570] [2023-11-24 23:16:22,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:16:22,805 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:16:22,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:16:22,807 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:16:22,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:16:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:16:23,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:16:23,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:16:23,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 798 proven. 0 refuted. 0 times theorem prover too weak. 1186 trivial. 0 not checked. [2023-11-24 23:16:23,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:16:23,993 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:16:23,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1937062570] [2023-11-24 23:16:23,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1937062570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:16:23,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:16:23,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:16:23,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874495225] [2023-11-24 23:16:23,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:16:24,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:16:24,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:16:24,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:16:24,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:16:24,052 INFO L87 Difference]: Start difference. First operand has 77 states, 42 states have (on average 1.380952380952381) internal successors, (58), 43 states have internal predecessors, (58), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-24 23:16:27,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:16:27,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:16:27,407 INFO L93 Difference]: Finished difference Result 151 states and 274 transitions. [2023-11-24 23:16:27,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:16:27,762 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 192 [2023-11-24 23:16:27,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:16:27,772 INFO L225 Difference]: With dead ends: 151 [2023-11-24 23:16:27,772 INFO L226 Difference]: Without dead ends: 75 [2023-11-24 23:16:27,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:16:27,782 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:16:27,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2023-11-24 23:16:27,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-24 23:16:27,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-24 23:16:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-24 23:16:27,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-11-24 23:16:27,867 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 192 [2023-11-24 23:16:27,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:16:27,869 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-11-24 23:16:27,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-24 23:16:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-11-24 23:16:27,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-11-24 23:16:27,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:16:27,877 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:16:27,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-24 23:16:28,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:16:28,078 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:16:28,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:16:28,080 INFO L85 PathProgramCache]: Analyzing trace with hash -598673907, now seen corresponding path program 1 times [2023-11-24 23:16:28,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:16:28,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146901500] [2023-11-24 23:16:28,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:16:28,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:16:28,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:16:28,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:16:28,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:16:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:16:28,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:16:29,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:16:31,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 891 proven. 63 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2023-11-24 23:16:31,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:16:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 30 proven. 63 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-24 23:16:33,422 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:16:33,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146901500] [2023-11-24 23:16:33,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146901500] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:16:33,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1498323715] [2023-11-24 23:16:33,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:16:33,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:16:33,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:16:33,467 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:16:33,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:16:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:16:35,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:16:35,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:16:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 891 proven. 63 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2023-11-24 23:16:38,113 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:16:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 30 proven. 63 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-24 23:16:39,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1498323715] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:16:39,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594688196] [2023-11-24 23:16:39,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:16:39,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:16:39,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:16:39,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:16:39,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fa46755-f045-449a-9292-13c46ad83434/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 23:16:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:16:41,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:16:41,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:16:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 891 proven. 63 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2023-11-24 23:16:43,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:16:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 30 proven. 63 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-11-24 23:16:44,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594688196] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:16:44,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-24 23:16:44,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-11-24 23:16:44,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898231736] [2023-11-24 23:16:44,849 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-24 23:16:44,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 23:16:44,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:16:44,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 23:16:44,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:16:44,855 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2023-11-24 23:16:51,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:16:53,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:16:55,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []