./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2 --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 5542c934b0500896737ec6dd9b5fa5cdab93ba295214dc1f80eeb0253f65443a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:30:18,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:30:18,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-02 12:30:18,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:30:18,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:30:18,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:30:18,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:30:18,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:30:18,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:30:18,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:30:18,616 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:30:18,617 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:30:18,617 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:30:18,617 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:30:18,620 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:30:18,621 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:30:18,625 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:30:18,625 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:30:18,626 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:30:18,626 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:30:18,626 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:30:18,631 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:30:18,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:30:18,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:30:18,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:30:18,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:30:18,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:30:18,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:30:18,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:30:18,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:30:18,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:30:18,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:30:18,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:30:18,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:30:18,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:30:18,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:30:18,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:30:18,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:30:18,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:18,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:30:18,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:30:18,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:30:18,638 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:30:18,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:30:18,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:30:18,639 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:30:18,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:30:18,640 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_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5542c934b0500896737ec6dd9b5fa5cdab93ba295214dc1f80eeb0253f65443a [2024-11-02 12:30:18,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:30:19,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:30:19,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:30:19,027 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:30:19,028 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:30:19,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i Unable to find full path for "g++" [2024-11-02 12:30:21,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:30:21,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:30:21,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i [2024-11-02 12:30:21,477 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/data/00ffa0bf5/169cbfe2257b4220abcbccbad2326a13/FLAG0cd1345c0 [2024-11-02 12:30:21,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/data/00ffa0bf5/169cbfe2257b4220abcbccbad2326a13 [2024-11-02 12:30:21,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:30:21,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:30:21,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:30:21,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:30:21,524 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:30:21,525 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:30:21" (1/1) ... [2024-11-02 12:30:21,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6777e451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:21, skipping insertion in model container [2024-11-02 12:30:21,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:30:21" (1/1) ... [2024-11-02 12:30:21,581 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:30:21,915 WARN L251 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_40802825-359e-4b38-992a-6ef3fb5a9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i[919,932] [2024-11-02 12:30:22,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:30:22,045 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:30:22,058 WARN L251 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_40802825-359e-4b38-992a-6ef3fb5a9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i[919,932] [2024-11-02 12:30:22,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:30:22,136 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:30:22,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22 WrapperNode [2024-11-02 12:30:22,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:30:22,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:30:22,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:30:22,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:30:22,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,257 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2024-11-02 12:30:22,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:30:22,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:30:22,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:30:22,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:30:22,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,310 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:30:22,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:30:22,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:30:22,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:30:22,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:22,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:30:22,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:30:22,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:30:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:30:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:30:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:30:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:30:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:30:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:30:22,575 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:30:22,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:30:23,194 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-02 12:30:23,195 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:30:23,739 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:30:23,743 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:30:23,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:30:23 BoogieIcfgContainer [2024-11-02 12:30:23,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:30:23,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:30:23,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:30:23,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:30:23,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:30:21" (1/3) ... [2024-11-02 12:30:23,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6403b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:30:23, skipping insertion in model container [2024-11-02 12:30:23,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (2/3) ... [2024-11-02 12:30:23,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6403b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:30:23, skipping insertion in model container [2024-11-02 12:30:23,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:30:23" (3/3) ... [2024-11-02 12:30:23,755 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i [2024-11-02 12:30:23,777 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:30:23,777 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:30:23,866 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:30:23,875 INFO L333 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, 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;@7bf86b4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:30:23,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:30:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:30:23,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-02 12:30:23,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:30:23,891 INFO L215 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:30:23,892 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:30:23,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:30:23,899 INFO L85 PathProgramCache]: Analyzing trace with hash -389452282, now seen corresponding path program 1 times [2024-11-02 12:30:23,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:30:23,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144645629] [2024-11-02 12:30:23,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:23,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:30:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-02 12:30:24,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1907554203] [2024-11-02 12:30:24,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:24,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:30:24,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:30:24,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:30:24,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 12:30:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:30:24,919 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:30:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:30:25,160 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:30:25,163 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:30:25,164 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:30:25,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-02 12:30:25,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:30:25,383 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:30:25,547 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:30:25,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:30:25 BoogieIcfgContainer [2024-11-02 12:30:25,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:30:25,553 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:30:25,553 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:30:25,554 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:30:25,554 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:30:23" (3/4) ... [2024-11-02 12:30:25,558 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:30:25,559 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:30:25,562 INFO L158 Benchmark]: Toolchain (without parser) took 4054.31ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 107.7MB in the beginning and 102.8MB in the end (delta: 4.9MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-02 12:30:25,563 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:30:25,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.72ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.8MB in the end (delta: 871.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-02 12:30:25,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.39ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 102.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-02 12:30:25,569 INFO L158 Benchmark]: Boogie Preprocessor took 99.24ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:30:25,569 INFO L158 Benchmark]: RCFGBuilder took 1385.60ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 71.0MB in the end (delta: 28.8MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2024-11-02 12:30:25,571 INFO L158 Benchmark]: TraceAbstraction took 1806.82ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 70.2MB in the beginning and 102.8MB in the end (delta: -32.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-11-02 12:30:25,572 INFO L158 Benchmark]: Witness Printer took 6.29ms. Allocated memory is still 186.6MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:30:25,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.72ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 106.8MB in the end (delta: 871.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.39ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 102.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.24ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1385.60ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 71.0MB in the end (delta: 28.8MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1806.82ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 70.2MB in the beginning and 102.8MB in the end (delta: -32.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * Witness Printer took 6.29ms. Allocated memory is still 186.6MB. Free memory is still 102.8MB. 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 bitwiseOr at line 120, overapproximation of shiftRight at line 125, overapproximation of bitwiseAnd at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 25; [L23] unsigned char var_1_2 = 25; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 0; [L26] signed long int var_1_5 = 4; [L27] unsigned char var_1_7 = 0; [L28] unsigned char var_1_8 = 1; [L29] unsigned char var_1_9 = 0; [L30] unsigned char var_1_10 = 0; [L31] double var_1_11 = 7.3; [L32] double var_1_12 = 1.25; [L33] double var_1_13 = 128.8; [L34] signed char var_1_14 = -1; [L35] signed char var_1_15 = 10; [L36] signed short int var_1_16 = 8; [L37] unsigned long int var_1_18 = 128; [L38] unsigned long int var_1_19 = 3963666122; [L39] float var_1_20 = 15.875; [L40] signed short int var_1_23 = -10; [L41] unsigned long int var_1_30 = 1000000000; [L42] float var_1_33 = 99.25; [L43] signed long int var_1_34 = 10; [L44] unsigned char var_1_35 = 16; [L45] signed long int var_1_39 = -128; [L46] signed long int var_1_40 = 1792665454; [L47] unsigned char last_1_var_1_8 = 1; [L48] signed char last_1_var_1_14 = -1; [L177] isInitial = 1 [L178] FCALL initially() [L179] COND TRUE 1 [L180] CALL updateLastVariables() [L169] last_1_var_1_8 = var_1_8 [L170] last_1_var_1_14 = var_1_14 [L180] RET updateLastVariables() [L181] CALL updateVariables() [L136] var_1_2 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L138] CALL assume_abort_if_not(var_1_2 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_2 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=0, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L139] var_1_3 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L141] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=0, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L142] var_1_4 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L144] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=0, var_1_8=1, var_1_9=0] [L145] var_1_7 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_8=1, var_1_9=0] [L147] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=0] [L148] var_1_9 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=0, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L151] var_1_10 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=5/4, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L154] var_1_12 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_13=644/5, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L156] var_1_13 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=10, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L158] var_1_15 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_15 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_15 >= -127) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L160] CALL assume_abort_if_not(var_1_15 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_15 <= 126) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=3963666122, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L161] var_1_19 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=15032385535, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=15032385535, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L163] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=15032385535, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=15032385535, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1792665454, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L164] var_1_40 = __VERIFIER_nondet_long() [L165] CALL assume_abort_if_not(var_1_40 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=15032385535, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1073741823, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_40 >= 1073741823) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=15032385535, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1073741823, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L166] CALL assume_abort_if_not(var_1_40 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=15032385535, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1073741823, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_40 <= 2147483646) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=128, var_1_19=15032385535, var_1_1=25, var_1_20=127/8, var_1_23=-10, var_1_2=-178, var_1_30=1000000000, var_1_33=397/4, var_1_34=10, var_1_35=16, var_1_39=-128, var_1_3=-642, var_1_40=1073741823, var_1_4=-641, var_1_5=4, var_1_7=-255, var_1_8=1, var_1_9=1] [L181] RET updateVariables() [L182] CALL step() [L52] unsigned char stepLocal_0 = last_1_var_1_8; [L53] COND TRUE stepLocal_0 && last_1_var_1_8 [L54] COND TRUE \read(last_1_var_1_8) [L55] var_1_5 = (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))) [L60] COND TRUE var_1_5 < var_1_3 [L61] var_1_8 = ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10) [L65] var_1_1 = (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))) [L66] COND FALSE !((64.4f + 1.5f) <= var_1_13) [L71] unsigned char stepLocal_3 = var_1_9 && var_1_8; [L72] COND TRUE stepLocal_3 || (var_1_8 && var_1_10) [L73] var_1_18 = (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))) [L77] signed long int stepLocal_1 = 8 + var_1_14; [L78] COND FALSE !(var_1_4 == stepLocal_1) [L81] EXPR var_1_15 & var_1_1 [L81] unsigned long int stepLocal_2 = var_1_18 * (var_1_15 & var_1_1); [L82] COND FALSE !(var_1_12 >= 9.6) [L93] var_1_20 = ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))) [L94] COND TRUE 128u <= var_1_1 [L95] COND TRUE (var_1_13 >= var_1_13) && ((var_1_1 * var_1_15) < ((((var_1_3) < (var_1_19)) ? (var_1_3) : (var_1_19)))) [L96] COND FALSE !(var_1_15 > var_1_1) [L99] COND TRUE \read(var_1_9) [L100] var_1_23 = var_1_3 [L109] COND TRUE var_1_2 >= var_1_2 [L110] var_1_30 = (((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))) - var_1_3) [L112] var_1_33 = var_1_12 [L113] COND TRUE \read(var_1_10) [L114] var_1_34 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L116] COND TRUE var_1_19 > var_1_3 [L117] var_1_35 = var_1_4 [L125] EXPR var_1_4 >> var_1_4 [L125] COND TRUE var_1_2 > (var_1_4 >> var_1_4) [L126] COND TRUE \read(var_1_10) [L127] var_1_39 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L182] RET step() [L183] CALL, EXPR property() [L173] EXPR (((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1) [L173-L174] return ((((((var_1_1 == ((unsigned char) (50 + ((((var_1_2) < (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) ? (var_1_2) : (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))))))) && ((last_1_var_1_8 && last_1_var_1_8) ? (last_1_var_1_8 ? (var_1_5 == ((signed long int) (((((last_1_var_1_14) < 0 ) ? -(last_1_var_1_14) : (last_1_var_1_14))) - ((((var_1_4) < (var_1_2)) ? (var_1_4) : (var_1_2)))))) : (var_1_5 == ((signed long int) 8))) : 1)) && ((var_1_5 < var_1_3) ? (var_1_8 == ((unsigned char) ((var_1_7 || (last_1_var_1_8 || var_1_9)) && var_1_10))) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_4 == (8 + var_1_14)) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (((64.4f + 1.5f) <= var_1_13) ? ((var_1_1 >= var_1_4) ? (var_1_14 == ((signed char) var_1_15)) : 1) : 1)) && ((var_1_12 >= 9.6) ? (var_1_10 ? (var_1_16 == ((signed short int) (2 - var_1_1))) : (((var_1_18 * (var_1_15 & var_1_1)) <= var_1_3) ? (var_1_16 == ((signed short int) var_1_18)) : (var_1_16 == ((signed short int) var_1_4)))) : 1)) && (((var_1_9 && var_1_8) || (var_1_8 && var_1_10)) ? (var_1_18 == ((unsigned long int) (var_1_19 - (((((1991720936u - var_1_1)) < (var_1_2)) ? ((1991720936u - var_1_1)) : (var_1_2)))))) : (var_1_18 == ((unsigned long int) var_1_2))) ; [L183] RET, EXPR property() [L183] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=15032385457, var_1_19=15032385535, var_1_1=128, var_1_20=3, var_1_23=126, var_1_2=-178, var_1_30=15032385409, var_1_33=2, var_1_34=127, var_1_35=-641, var_1_39=127, var_1_3=-642, var_1_40=1073741823, var_1_4=-641, var_1_5=-77, var_1_7=-255, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-1, last_1_var_1_8=1, var_1_10=1, var_1_11=73/10, var_1_12=2, var_1_13=3, var_1_14=-1, var_1_15=0, var_1_16=8, var_1_18=15032385457, var_1_19=15032385535, var_1_1=128, var_1_20=3, var_1_23=126, var_1_2=-178, var_1_30=15032385409, var_1_33=2, var_1_34=127, var_1_35=-641, var_1_39=127, var_1_3=-642, var_1_40=1073741823, var_1_4=-641, var_1_5=-77, var_1_7=-255, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 20, 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=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 2 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 [2024-11-02 12:30:25,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2 --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 5542c934b0500896737ec6dd9b5fa5cdab93ba295214dc1f80eeb0253f65443a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:30:28,161 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:30:28,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-02 12:30:28,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:30:28,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:30:28,316 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:30:28,317 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:30:28,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:30:28,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:30:28,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:30:28,320 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:30:28,320 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:30:28,321 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:30:28,321 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:30:28,322 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:30:28,322 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:30:28,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:30:28,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:30:28,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 12:30:28,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 12:30:28,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:30:28,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:30:28,329 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:30:28,329 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:30:28,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:30:28,330 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:30:28,330 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:30:28,331 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:30:28,331 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 12:30:28,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:30:28,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:30:28,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:30:28,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:30:28,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:30:28,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:30:28,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:28,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:30:28,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:30:28,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:30:28,340 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:30:28,341 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:30:28,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:30:28,341 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:30:28,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:30:28,342 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_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5542c934b0500896737ec6dd9b5fa5cdab93ba295214dc1f80eeb0253f65443a [2024-11-02 12:30:28,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:30:28,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:30:28,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:30:28,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:30:28,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:30:28,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i Unable to find full path for "g++" [2024-11-02 12:30:31,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:30:31,367 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:30:31,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i [2024-11-02 12:30:31,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/data/27a088532/2e5dbbad17374b4982ae2c61aa034418/FLAGad2f8bf8d [2024-11-02 12:30:31,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/data/27a088532/2e5dbbad17374b4982ae2c61aa034418 [2024-11-02 12:30:31,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:30:31,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:30:31,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:30:31,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:30:31,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:30:31,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:31,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44003b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31, skipping insertion in model container [2024-11-02 12:30:31,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:31,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:30:31,685 WARN L251 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_40802825-359e-4b38-992a-6ef3fb5a9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i[919,932] [2024-11-02 12:30:31,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:30:31,802 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:30:31,818 WARN L251 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_40802825-359e-4b38-992a-6ef3fb5a9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i[919,932] [2024-11-02 12:30:31,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:30:31,912 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:30:31,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31 WrapperNode [2024-11-02 12:30:31,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:30:31,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:30:31,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:30:31,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:30:31,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:31,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:31,998 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2024-11-02 12:30:32,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:30:32,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:30:32,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:30:32,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:30:32,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:32,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:32,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:32,031 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:32,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:32,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:32,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:32,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:32,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:30:32,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:30:32,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:30:32,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:30:32,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (1/1) ... [2024-11-02 12:30:32,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:32,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:30:32,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:30:32,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:30:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:30:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:30:32,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 12:30:32,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 12:30:32,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:30:32,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:30:32,302 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:30:32,304 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:30:33,488 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-02 12:30:33,488 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:30:33,509 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:30:33,510 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:30:33,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:30:33 BoogieIcfgContainer [2024-11-02 12:30:33,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:30:33,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:30:33,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:30:33,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:30:33,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:30:31" (1/3) ... [2024-11-02 12:30:33,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b73b7cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:30:33, skipping insertion in model container [2024-11-02 12:30:33,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:31" (2/3) ... [2024-11-02 12:30:33,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b73b7cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:30:33, skipping insertion in model container [2024-11-02 12:30:33,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:30:33" (3/3) ... [2024-11-02 12:30:33,526 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-17.i [2024-11-02 12:30:33,548 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:30:33,548 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:30:33,632 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:30:33,639 INFO L333 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, 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;@74d36ca7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:30:33,639 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:30:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 55 states have internal predecessors, (80), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:30:33,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-02 12:30:33,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:30:33,664 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:30:33,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:30:33,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:30:33,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1132880626, now seen corresponding path program 1 times [2024-11-02 12:30:33,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:30:33,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797144170] [2024-11-02 12:30:33,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:33,691 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 [2024-11-02 12:30:33,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:30:33,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:30:33,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:30:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:30:34,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-02 12:30:34,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:30:34,108 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-02 12:30:34,110 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:30:34,111 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:30:34,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797144170] [2024-11-02 12:30:34,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797144170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:30:34,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:30:34,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-02 12:30:34,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816157144] [2024-11-02 12:30:34,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:30:34,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-02 12:30:34,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:30:34,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-02 12:30:34,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:30:34,155 INFO L87 Difference]: Start difference. First operand has 77 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 55 states have internal predecessors, (80), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-02 12:30:34,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:30:34,198 INFO L93 Difference]: Finished difference Result 147 states and 254 transitions. [2024-11-02 12:30:34,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-02 12:30:34,201 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2024-11-02 12:30:34,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:30:34,208 INFO L225 Difference]: With dead ends: 147 [2024-11-02 12:30:34,208 INFO L226 Difference]: Without dead ends: 73 [2024-11-02 12:30:34,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-02 12:30:34,215 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-02 12:30:34,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-02 12:30:34,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-02 12:30:34,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-02 12:30:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-02 12:30:34,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 112 transitions. [2024-11-02 12:30:34,267 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 112 transitions. Word has length 137 [2024-11-02 12:30:34,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:30:34,267 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 112 transitions. [2024-11-02 12:30:34,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-02 12:30:34,268 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 112 transitions. [2024-11-02 12:30:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-02 12:30:34,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:30:34,272 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:30:34,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:30:34,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:30:34,475 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:30:34,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:30:34,476 INFO L85 PathProgramCache]: Analyzing trace with hash -495393718, now seen corresponding path program 1 times [2024-11-02 12:30:34,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:30:34,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191595949] [2024-11-02 12:30:34,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:34,478 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 [2024-11-02 12:30:34,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:30:34,481 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:30:34,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:30:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:30:34,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:30:34,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:30:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-02 12:30:35,373 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:30:35,374 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:30:35,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191595949] [2024-11-02 12:30:35,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191595949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:30:35,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-02 12:30:35,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-02 12:30:35,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85953702] [2024-11-02 12:30:35,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:30:35,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:30:35,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:30:35,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:30:35,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-02 12:30:35,379 INFO L87 Difference]: Start difference. First operand 73 states and 112 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:30:36,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:30:36,255 INFO L93 Difference]: Finished difference Result 214 states and 331 transitions. [2024-11-02 12:30:36,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-02 12:30:36,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 137 [2024-11-02 12:30:36,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:30:36,269 INFO L225 Difference]: With dead ends: 214 [2024-11-02 12:30:36,269 INFO L226 Difference]: Without dead ends: 144 [2024-11-02 12:30:36,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-02 12:30:36,271 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 71 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-02 12:30:36,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 372 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-02 12:30:36,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-02 12:30:36,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 112. [2024-11-02 12:30:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.3043478260869565) internal successors, (90), 69 states have internal predecessors, (90), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-02 12:30:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 170 transitions. [2024-11-02 12:30:36,302 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 170 transitions. Word has length 137 [2024-11-02 12:30:36,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:30:36,303 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 170 transitions. [2024-11-02 12:30:36,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:30:36,303 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2024-11-02 12:30:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-02 12:30:36,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:30:36,306 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:30:36,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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)] Ended with exit code 0 [2024-11-02 12:30:36,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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 [2024-11-02 12:30:36,507 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:30:36,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:30:36,508 INFO L85 PathProgramCache]: Analyzing trace with hash -325491625, now seen corresponding path program 1 times [2024-11-02 12:30:36,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:30:36,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406489682] [2024-11-02 12:30:36,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:36,509 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 [2024-11-02 12:30:36,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:30:36,513 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:30:36,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-02 12:30:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:30:36,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:30:36,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:30:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-02 12:30:37,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:30:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-02 12:30:37,741 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:30:37,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406489682] [2024-11-02 12:30:37,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406489682] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:30:37,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1807137275] [2024-11-02 12:30:37,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:37,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:30:37,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:30:37,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:30:37,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-02 12:30:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:30:38,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:30:38,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:30:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-02 12:30:39,080 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-02 12:30:39,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1807137275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-02 12:30:39,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-02 12:30:39,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 7] total 14 [2024-11-02 12:30:39,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386246150] [2024-11-02 12:30:39,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 12:30:39,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-02 12:30:39,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:30:39,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-02 12:30:39,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-02 12:30:39,083 INFO L87 Difference]: Start difference. First operand 112 states and 170 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:30:40,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:30:40,447 INFO L93 Difference]: Finished difference Result 322 states and 485 transitions. [2024-11-02 12:30:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 12:30:40,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2024-11-02 12:30:40,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:30:40,451 INFO L225 Difference]: With dead ends: 322 [2024-11-02 12:30:40,452 INFO L226 Difference]: Without dead ends: 252 [2024-11-02 12:30:40,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 399 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-02 12:30:40,454 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 209 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-02 12:30:40,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 347 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-02 12:30:40,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-02 12:30:40,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 181. [2024-11-02 12:30:40,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 126 states have (on average 1.380952380952381) internal successors, (174), 127 states have internal predecessors, (174), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-02 12:30:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 274 transitions. [2024-11-02 12:30:40,487 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 274 transitions. Word has length 138 [2024-11-02 12:30:40,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:30:40,488 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 274 transitions. [2024-11-02 12:30:40,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-02 12:30:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 274 transitions. [2024-11-02 12:30:40,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-02 12:30:40,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:30:40,492 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:30:40,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-02 12:30:40,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-02 12:30:40,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt [2024-11-02 12:30:40,896 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:30:40,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:30:40,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1449515737, now seen corresponding path program 1 times [2024-11-02 12:30:40,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:30:40,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178948115] [2024-11-02 12:30:40,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:40,900 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 [2024-11-02 12:30:40,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:30:40,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:30:40,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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 (6)] Waiting until timeout for monitored process [2024-11-02 12:30:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:30:41,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-02 12:30:41,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:30:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-02 12:30:41,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:30:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-02 12:30:42,001 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-02 12:30:42,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178948115] [2024-11-02 12:30:42,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178948115] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:30:42,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [728919050] [2024-11-02 12:30:42,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:42,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-02 12:30:42,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/cvc4 [2024-11-02 12:30:42,006 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-02 12:30:42,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-02 12:30:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:30:42,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-02 12:30:42,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:30:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-02 12:30:43,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:30:43,446 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-02 12:30:43,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [728919050] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:30:43,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949823352] [2024-11-02 12:30:43,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:43,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 12:30:43,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:30:43,450 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 12:30:43,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-02 12:30:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:30:43,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-02 12:30:43,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 12:30:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-02 12:30:43,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 12:30:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-02 12:30:44,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949823352] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 12:30:44,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-02 12:30:44,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 5, 5, 5, 5] total 11 [2024-11-02 12:30:44,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763835399] [2024-11-02 12:30:44,236 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-02 12:30:44,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-02 12:30:44,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-02 12:30:44,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-02 12:30:44,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-02 12:30:44,239 INFO L87 Difference]: Start difference. First operand 181 states and 274 transitions. Second operand has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-02 12:30:46,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 12:30:46,235 INFO L93 Difference]: Finished difference Result 381 states and 570 transitions. [2024-11-02 12:30:46,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-02 12:30:46,236 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 138 [2024-11-02 12:30:46,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 12:30:46,244 INFO L225 Difference]: With dead ends: 381 [2024-11-02 12:30:46,244 INFO L226 Difference]: Without dead ends: 246 [2024-11-02 12:30:46,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 831 GetRequests, 810 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-02 12:30:46,246 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 308 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-02 12:30:46,246 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 510 Invalid, 605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-02 12:30:46,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-02 12:30:46,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 170. [2024-11-02 12:30:46,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 113 states have (on average 1.2654867256637168) internal successors, (143), 114 states have internal predecessors, (143), 50 states have call successors, (50), 6 states have call predecessors, (50), 6 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-02 12:30:46,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 243 transitions. [2024-11-02 12:30:46,303 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 243 transitions. Word has length 138 [2024-11-02 12:30:46,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 12:30:46,303 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 243 transitions. [2024-11-02 12:30:46,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 11 states have internal predecessors, (69), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-02 12:30:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 243 transitions. [2024-11-02 12:30:46,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-02 12:30:46,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:30:46,308 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 12:30:46,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-02 12:30:46,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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 (6)] Ended with exit code 0 [2024-11-02 12:30:46,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-02 12:30:46,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/cvc4 --incremental --print-success --lang smt [2024-11-02 12:30:46,914 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:30:46,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:30:46,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1346559979, now seen corresponding path program 1 times [2024-11-02 12:30:46,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-02 12:30:46,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163046787] [2024-11-02 12:30:46,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:46,916 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 [2024-11-02 12:30:46,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/mathsat [2024-11-02 12:30:46,918 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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) [2024-11-02 12:30:46,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40802825-359e-4b38-992a-6ef3fb5a9111/bin/utaipan-verify-DbMuA5NWw2/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 (9)] Waiting until timeout for monitored process [2024-11-02 12:30:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 12:30:47,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-02 12:30:47,227 INFO L278 TraceCheckSpWp]: Computing forward predicates...