./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje --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 d5718c992fed3c2345431c563394db1c22b51df2960086a8ce4a2b5fd2b5e0c0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:08:32,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:08:32,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:08:32,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:08:32,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:08:32,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:08:32,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:08:32,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:08:32,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:08:32,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:08:32,496 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:08:32,496 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:08:32,497 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:08:32,497 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:08:32,498 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:08:32,498 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:08:32,498 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:08:32,499 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:08:32,499 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:08:32,500 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:08:32,500 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:08:32,501 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:08:32,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:08:32,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:08:32,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:08:32,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:08:32,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:08:32,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:08:32,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:08:32,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:08:32,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:08:32,505 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:08:32,505 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:08:32,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:08:32,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:08:32,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:08:32,507 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:08:32,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:08:32,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:08:32,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:08:32,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:08:32,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:08:32,524 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:08:32,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:08:32,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:08:32,526 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:08:32,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:08:32,526 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_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5718c992fed3c2345431c563394db1c22b51df2960086a8ce4a2b5fd2b5e0c0 [2024-11-09 05:08:32,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:08:32,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:08:32,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:08:32,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:08:32,926 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:08:32,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i Unable to find full path for "g++" [2024-11-09 05:08:35,423 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:08:35,690 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:08:35,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i [2024-11-09 05:08:35,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/data/4e1a71c86/4ec271aa744b48578d7e0d561df6d6bd/FLAGc8b3cb333 [2024-11-09 05:08:36,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/data/4e1a71c86/4ec271aa744b48578d7e0d561df6d6bd [2024-11-09 05:08:36,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:08:36,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:08:36,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:08:36,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:08:36,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:08:36,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22eb50e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36, skipping insertion in model container [2024-11-09 05:08:36,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:08:36,327 WARN L250 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_90fd1fa2-373d-410e-b142-9df307f9863a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i[919,932] [2024-11-09 05:08:36,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:08:36,451 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:08:36,469 WARN L250 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_90fd1fa2-373d-410e-b142-9df307f9863a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i[919,932] [2024-11-09 05:08:36,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:08:36,555 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:08:36,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36 WrapperNode [2024-11-09 05:08:36,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:08:36,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:08:36,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:08:36,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:08:36,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,665 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2024-11-09 05:08:36,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:08:36,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:08:36,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:08:36,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:08:36,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,689 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:08:36,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:08:36,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:08:36,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:08:36,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (1/1) ... [2024-11-09 05:08:36,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:08:36,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:08:36,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:08:36,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:08:36,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:08:36,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:08:36,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:08:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:08:36,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:08:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:08:37,040 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:08:37,046 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:08:37,816 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 05:08:37,816 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:08:38,202 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:08:38,203 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:08:38,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:08:38 BoogieIcfgContainer [2024-11-09 05:08:38,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:08:38,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:08:38,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:08:38,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:08:38,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:08:36" (1/3) ... [2024-11-09 05:08:38,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36dcc4f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:08:38, skipping insertion in model container [2024-11-09 05:08:38,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:36" (2/3) ... [2024-11-09 05:08:38,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36dcc4f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:08:38, skipping insertion in model container [2024-11-09 05:08:38,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:08:38" (3/3) ... [2024-11-09 05:08:38,216 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i [2024-11-09 05:08:38,240 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:08:38,241 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:08:38,334 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:08:38,344 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;@5ab81156, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:08:38,346 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:08:38,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 05:08:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-09 05:08:38,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:08:38,372 INFO L215 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:08:38,373 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:08:38,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:08:38,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1287073176, now seen corresponding path program 1 times [2024-11-09 05:08:38,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:08:38,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286855453] [2024-11-09 05:08:38,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:08:38,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:08:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:08:39,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2024516206] [2024-11-09 05:08:39,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:08:39,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:08:39,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:08:39,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:08:39,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:08:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:08:40,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:08:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:08:40,372 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:08:40,375 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:08:40,377 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:08:40,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 05:08:40,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 05:08:40,585 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:08:40,778 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:08:40,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:08:40 BoogieIcfgContainer [2024-11-09 05:08:40,782 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:08:40,783 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:08:40,783 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:08:40,783 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:08:40,784 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:08:38" (3/4) ... [2024-11-09 05:08:40,789 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:08:40,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:08:40,792 INFO L158 Benchmark]: Toolchain (without parser) took 4782.23ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 102.9MB in the beginning and 129.0MB in the end (delta: -26.1MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2024-11-09 05:08:40,793 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 142.6MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:08:40,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.37ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 85.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:08:40,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.33ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 80.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:08:40,796 INFO L158 Benchmark]: Boogie Preprocessor took 91.82ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 78.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:08:40,797 INFO L158 Benchmark]: RCFGBuilder took 1444.22ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 78.2MB in the beginning and 139.5MB in the end (delta: -61.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-09 05:08:40,798 INFO L158 Benchmark]: TraceAbstraction took 2575.38ms. Allocated memory is still 201.3MB. Free memory was 138.5MB in the beginning and 130.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-09 05:08:40,798 INFO L158 Benchmark]: Witness Printer took 7.70ms. Allocated memory is still 201.3MB. Free memory was 130.0MB in the beginning and 129.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:08:40,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 142.6MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.37ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 85.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.33ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 80.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.82ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 78.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1444.22ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 78.2MB in the beginning and 139.5MB in the end (delta: -61.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2575.38ms. Allocated memory is still 201.3MB. Free memory was 138.5MB in the beginning and 130.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 7.70ms. Allocated memory is still 201.3MB. Free memory was 130.0MB in the beginning and 129.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someUnaryFLOAToperation at line 112. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -10; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_7 = 1; [L25] unsigned char var_1_8 = 0; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 1; [L28] unsigned long int var_1_11 = 16; [L29] signed short int var_1_12 = -32; [L30] unsigned char var_1_15 = 8; [L31] unsigned char var_1_17 = 100; [L32] unsigned char var_1_18 = 10; [L33] signed long int var_1_19 = 1; [L34] unsigned char var_1_20 = 5; [L35] float var_1_21 = 25.5; [L36] signed long int var_1_23 = -5; [L37] float var_1_24 = 1.125; [L38] float var_1_25 = 15.25; [L39] signed long int var_1_26 = 5; [L40] unsigned char var_1_28 = 16; [L41] double var_1_29 = 256.5; [L42] signed short int var_1_31 = 32; [L43] double var_1_36 = 10000000000000.25; [L44] double var_1_37 = 256.8; [L45] unsigned char var_1_38 = 1; [L46] signed char var_1_39 = -1; [L47] signed char var_1_40 = 32; [L48] signed long int var_1_42 = 256; [L49] float var_1_44 = 100000000000.9; [L50] unsigned short int var_1_48 = 1; [L51] unsigned char last_1_var_1_4 = 0; [L52] unsigned char last_1_var_1_15 = 8; [L53] signed long int last_1_var_1_19 = 1; [L54] float last_1_var_1_21 = 25.5; [L55] signed long int last_1_var_1_26 = 5; [L56] unsigned char last_1_var_1_28 = 16; [L186] isInitial = 1 [L187] FCALL initially() [L188] COND TRUE 1 [L189] CALL updateLastVariables() [L174] last_1_var_1_4 = var_1_4 [L175] last_1_var_1_15 = var_1_15 [L176] last_1_var_1_19 = var_1_19 [L177] last_1_var_1_21 = var_1_21 [L178] last_1_var_1_26 = var_1_26 [L179] last_1_var_1_28 = var_1_28 [L189] RET updateLastVariables() [L190] CALL updateVariables() [L129] var_1_7 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_8=0, var_1_9=0] [L131] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=0] [L132] var_1_8 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_9=0] [L134] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=0] [L135] var_1_9 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L137] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L138] var_1_10 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L140] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=-32, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L141] var_1_12 = __VERIFIER_nondet_short() [L142] CALL assume_abort_if_not(var_1_12 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_12 >= -32768) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L143] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=100, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L145] var_1_17 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L147] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=10, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L148] var_1_18 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=5, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L151] var_1_20 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L153] CALL assume_abort_if_not(var_1_20 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_20 <= 255) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L154] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-5, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L155] var_1_23 = __VERIFIER_nondet_long() [L156] CALL assume_abort_if_not(var_1_23 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_23 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L157] CALL assume_abort_if_not(var_1_23 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_23 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L158] CALL assume_abort_if_not(var_1_23 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_23 != 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_24=9/8, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L159] var_1_24 = __VERIFIER_nondet_float() [L160] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_25=61/4, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L161] var_1_25 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_36=40000000000001/4, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L163] var_1_36 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L165] CALL assume_abort_if_not(var_1_36 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_36 != 0.0F) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L166] var_1_39 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_39 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_39 >= -1) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L168] CALL assume_abort_if_not(var_1_39 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_39 <= 127) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=32, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L169] var_1_40 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L171] CALL assume_abort_if_not(var_1_40 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_40 <= 127) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=8, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=-10, var_1_20=2, var_1_21=51/2, var_1_23=-1, var_1_26=5, var_1_28=16, var_1_29=513/2, var_1_31=32, var_1_37=1284/5, var_1_38=1, var_1_39=-1, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=1, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L190] RET updateVariables() [L191] CALL step() [L60] COND TRUE (last_1_var_1_28 / var_1_12) <= last_1_var_1_19 [L61] var_1_11 = ((((last_1_var_1_28) > (last_1_var_1_15)) ? (last_1_var_1_28) : (last_1_var_1_15))) [L63] COND TRUE ((((last_1_var_1_21) < (-0.5)) ? (last_1_var_1_21) : (-0.5))) > (10.9 * last_1_var_1_21) [L64] COND FALSE !(\read(last_1_var_1_4)) [L67] var_1_15 = var_1_18 [L70] var_1_1 = (var_1_15 + var_1_15) [L71] var_1_37 = var_1_24 [L72] var_1_28 = var_1_17 [L73] var_1_48 = var_1_40 [L74] COND TRUE var_1_9 || ((var_1_11 + last_1_var_1_26) <= 4) [L75] var_1_26 = (var_1_28 - var_1_20) [L79] COND TRUE \read(var_1_7) [L80] var_1_31 = ((((var_1_20) > (var_1_28)) ? (var_1_20) : (var_1_28))) [L92] COND TRUE ((~ var_1_28) * var_1_1) >= (var_1_15 % var_1_23) [L93] var_1_21 = ((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) [L95] var_1_29 = var_1_25 [L96] COND FALSE !(! var_1_10) [L99] COND TRUE (var_1_21 + 9.999999999999994E14f) < (- var_1_21) [L100] var_1_4 = (var_1_7 && var_1_8) [L106] COND FALSE !((var_1_39 - ((((32) < (var_1_40)) ? (32) : (var_1_40)))) > var_1_28) [L109] COND FALSE !((var_1_21 + ((((var_1_24) > (var_1_21)) ? (var_1_24) : (var_1_21)))) < ((((var_1_36) > ((var_1_24 + var_1_24))) ? (var_1_36) : ((var_1_24 + var_1_24))))) [L116] unsigned char stepLocal_1 = var_1_17; [L117] signed long int stepLocal_0 = var_1_15 % var_1_20; [L118] COND FALSE !(stepLocal_0 != var_1_1) [L191] RET step() [L192] CALL, EXPR property() [L182-L183] return (((((((var_1_1 == ((signed long int) (var_1_15 + var_1_15))) && (((var_1_21 + 9.999999999999994E14f) < (- var_1_21)) ? (var_1_4 == ((unsigned char) (var_1_7 && var_1_8))) : (var_1_7 ? (var_1_4 == ((unsigned char) ((var_1_8 || var_1_9) && var_1_10))) : 1))) && (((last_1_var_1_28 / var_1_12) <= last_1_var_1_19) ? (var_1_11 == ((unsigned long int) ((((last_1_var_1_28) > (last_1_var_1_15)) ? (last_1_var_1_28) : (last_1_var_1_15))))) : 1)) && ((((((last_1_var_1_21) < (-0.5)) ? (last_1_var_1_21) : (-0.5))) > (10.9 * last_1_var_1_21)) ? (last_1_var_1_4 ? (var_1_15 == ((unsigned char) ((((((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) < (var_1_18)) ? (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))) : (var_1_18))))) : (var_1_15 == ((unsigned char) var_1_18))) : 1)) && (((var_1_15 % var_1_20) != var_1_1) ? ((var_1_18 == var_1_17) ? (var_1_4 ? (var_1_19 == ((signed long int) var_1_18)) : (var_1_19 == ((signed long int) var_1_26))) : 1) : 1)) && ((((~ var_1_28) * var_1_1) >= (var_1_15 % var_1_23)) ? (var_1_21 == ((float) ((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))))) : 1)) && ((var_1_9 || ((var_1_11 + last_1_var_1_26) <= 4)) ? (var_1_26 == ((signed long int) (var_1_28 - var_1_20))) : (var_1_26 == ((signed long int) (var_1_20 - var_1_17))))) && (var_1_28 == ((unsigned char) var_1_17)) ; [L192] RET, EXPR property() [L192] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=-256, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=0, var_1_20=2, var_1_21=3, var_1_23=-1, var_1_24=3, var_1_25=2, var_1_26=-1, var_1_28=-255, var_1_29=2, var_1_31=2, var_1_37=3, var_1_38=1, var_1_39=-1, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=0, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=8, last_1_var_1_19=1, last_1_var_1_21=51/2, last_1_var_1_26=5, last_1_var_1_28=16, last_1_var_1_4=0, var_1_10=1, var_1_11=16, var_1_12=17, var_1_15=-256, var_1_17=-255, var_1_18=-256, var_1_19=1, var_1_1=0, var_1_20=2, var_1_21=3, var_1_23=-1, var_1_24=3, var_1_25=2, var_1_26=-1, var_1_28=-255, var_1_29=2, var_1_31=2, var_1_37=3, var_1_38=1, var_1_39=-1, var_1_40=0, var_1_42=256, var_1_44=1000000000009/10, var_1_48=0, var_1_4=0, var_1_7=1, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 29, 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=52occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 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 [2024-11-09 05:08:40,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje --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 d5718c992fed3c2345431c563394db1c22b51df2960086a8ce4a2b5fd2b5e0c0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:08:43,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:08:43,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 05:08:43,899 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:08:43,901 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:08:43,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:08:43,950 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:08:43,951 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:08:43,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:08:43,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:08:43,954 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:08:43,954 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:08:43,955 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:08:43,955 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:08:43,956 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:08:43,958 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:08:43,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:08:43,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:08:43,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:08:43,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:08:43,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:08:43,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:08:43,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:08:43,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:08:43,968 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:08:43,968 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:08:43,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:08:43,969 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:08:43,969 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:08:43,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:08:43,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:08:43,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:08:43,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:08:43,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:08:43,971 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:08:43,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:08:43,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:08:43,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:08:43,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:08:43,973 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:08:43,973 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:08:43,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:08:43,976 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:08:43,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5718c992fed3c2345431c563394db1c22b51df2960086a8ce4a2b5fd2b5e0c0 [2024-11-09 05:08:44,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:08:44,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:08:44,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:08:44,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:08:44,530 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:08:44,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i Unable to find full path for "g++" [2024-11-09 05:08:47,176 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:08:47,445 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:08:47,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i [2024-11-09 05:08:47,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/data/7da1ff0c1/bb208a6796e541daa0858cf2496b282b/FLAGd0435b99d [2024-11-09 05:08:47,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/data/7da1ff0c1/bb208a6796e541daa0858cf2496b282b [2024-11-09 05:08:47,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:08:47,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:08:47,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:08:47,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:08:47,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:08:47,791 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:08:47" (1/1) ... [2024-11-09 05:08:47,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96a95db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:47, skipping insertion in model container [2024-11-09 05:08:47,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:08:47" (1/1) ... [2024-11-09 05:08:47,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:08:48,110 WARN L250 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_90fd1fa2-373d-410e-b142-9df307f9863a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i[919,932] [2024-11-09 05:08:48,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:08:48,255 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:08:48,271 WARN L250 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_90fd1fa2-373d-410e-b142-9df307f9863a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i[919,932] [2024-11-09 05:08:48,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:08:48,383 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:08:48,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48 WrapperNode [2024-11-09 05:08:48,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:08:48,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:08:48,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:08:48,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:08:48,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,475 INFO L138 Inliner]: procedures = 27, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 187 [2024-11-09 05:08:48,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:08:48,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:08:48,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:08:48,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:08:48,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,520 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:08:48,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:08:48,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:08:48,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:08:48,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (1/1) ... [2024-11-09 05:08:48,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:08:48,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:08:48,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:08:48,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:08:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:08:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:08:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:08:48,647 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:08:48,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:08:48,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:08:48,759 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:08:48,762 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:09:08,145 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 05:09:08,145 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:09:08,164 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:09:08,180 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:09:08,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:09:08 BoogieIcfgContainer [2024-11-09 05:09:08,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:09:08,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:09:08,185 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:09:08,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:09:08,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:08:47" (1/3) ... [2024-11-09 05:09:08,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eeb4d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:09:08, skipping insertion in model container [2024-11-09 05:09:08,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:08:48" (2/3) ... [2024-11-09 05:09:08,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eeb4d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:09:08, skipping insertion in model container [2024-11-09 05:09:08,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:09:08" (3/3) ... [2024-11-09 05:09:08,192 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-14.i [2024-11-09 05:09:08,212 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:09:08,212 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:09:08,302 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:09:08,311 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;@7d1e9b24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:09:08,312 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:09:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 53 states have internal predecessors, (76), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 05:09:08,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 05:09:08,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:09:08,339 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:09:08,340 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:09:08,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:09:08,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1540118123, now seen corresponding path program 1 times [2024-11-09 05:09:08,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:09:08,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978169648] [2024-11-09 05:09:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:08,363 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 [2024-11-09 05:09:08,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:09:08,365 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:09:08,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:09:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:09:09,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 05:09:09,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:09:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2024-11-09 05:09:09,227 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:09:09,228 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:09:09,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978169648] [2024-11-09 05:09:09,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978169648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:09:09,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:09:09,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:09:09,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943659762] [2024-11-09 05:09:09,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:09:09,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:09:09,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:09:09,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:09:09,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:09:09,277 INFO L87 Difference]: Start difference. First operand has 84 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 53 states have internal predecessors, (76), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-09 05:09:09,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:09:09,320 INFO L93 Difference]: Finished difference Result 161 states and 291 transitions. [2024-11-09 05:09:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:09:09,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 181 [2024-11-09 05:09:09,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:09:09,340 INFO L225 Difference]: With dead ends: 161 [2024-11-09 05:09:09,341 INFO L226 Difference]: Without dead ends: 80 [2024-11-09 05:09:09,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:09:09,356 INFO L432 NwaCegarLoop]: 126 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, 126 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 [2024-11-09 05:09:09,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:09:09,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-09 05:09:09,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-09 05:09:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 49 states have internal predecessors, (68), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 05:09:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2024-11-09 05:09:09,438 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 181 [2024-11-09 05:09:09,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:09:09,439 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2024-11-09 05:09:09,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-09 05:09:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2024-11-09 05:09:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-09 05:09:09,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:09:09,445 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:09:09,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:09:09,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:09:09,646 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:09:09,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:09:09,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1018354891, now seen corresponding path program 1 times [2024-11-09 05:09:09,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:09:09,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141792807] [2024-11-09 05:09:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:09,649 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 [2024-11-09 05:09:09,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:09:09,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:09:09,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:09:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:09:10,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:09:10,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:09:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 568 proven. 66 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-09 05:09:14,557 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:09:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 18 proven. 66 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-09 05:09:17,854 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:09:17,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141792807] [2024-11-09 05:09:17,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [141792807] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:09:17,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [743497805] [2024-11-09 05:09:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:17,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:09:17,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:09:17,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:09:17,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:09:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:09:19,335 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:09:19,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:09:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-09 05:09:24,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:09:24,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [743497805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:09:24,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:09:24,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 10 [2024-11-09 05:09:24,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605061066] [2024-11-09 05:09:24,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:09:24,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:09:24,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:09:24,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:09:24,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:09:24,663 INFO L87 Difference]: Start difference. First operand 80 states and 126 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-09 05:09:28,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:30,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:31,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 05:09:34,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:09:34,985 INFO L93 Difference]: Finished difference Result 287 states and 456 transitions. [2024-11-09 05:09:34,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 05:09:34,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 181 [2024-11-09 05:09:34,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:09:34,997 INFO L225 Difference]: With dead ends: 287 [2024-11-09 05:09:34,997 INFO L226 Difference]: Without dead ends: 210 [2024-11-09 05:09:34,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 531 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:09:35,000 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 113 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:09:35,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 520 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2024-11-09 05:09:35,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-09 05:09:35,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 154. [2024-11-09 05:09:35,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-09 05:09:35,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 244 transitions. [2024-11-09 05:09:35,042 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 244 transitions. Word has length 181 [2024-11-09 05:09:35,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:09:35,044 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 244 transitions. [2024-11-09 05:09:35,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-09 05:09:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 244 transitions. [2024-11-09 05:09:35,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-09 05:09:35,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:09:35,049 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:09:35,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:09:35,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:09:35,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:09:35,450 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:09:35,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:09:35,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1211143891, now seen corresponding path program 1 times [2024-11-09 05:09:35,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:09:35,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976382791] [2024-11-09 05:09:35,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:09:35,458 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 [2024-11-09 05:09:35,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:09:35,463 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:09:35,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-09 05:09:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:09:36,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:09:36,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:09:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-09 05:09:45,084 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:09:45,085 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:09:45,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976382791] [2024-11-09 05:09:45,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976382791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:09:45,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:09:45,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:09:45,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142993082] [2024-11-09 05:09:45,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:09:45,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:09:45,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:09:45,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:09:45,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:09:45,089 INFO L87 Difference]: Start difference. First operand 154 states and 244 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-09 05:09:46,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:49,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:51,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:54,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:56,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:58,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:09:59,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:01,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:03,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:03,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:10:03,450 INFO L93 Difference]: Finished difference Result 230 states and 363 transitions. [2024-11-09 05:10:03,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:10:03,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 182 [2024-11-09 05:10:03,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:10:03,502 INFO L225 Difference]: With dead ends: 230 [2024-11-09 05:10:03,502 INFO L226 Difference]: Without dead ends: 79 [2024-11-09 05:10:03,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:10:03,505 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 100 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 60 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:10:03,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 101 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 15 Invalid, 4 Unknown, 0 Unchecked, 18.2s Time] [2024-11-09 05:10:03,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-09 05:10:03,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-09 05:10:03,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 48 states have internal predecessors, (62), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 05:10:03,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 120 transitions. [2024-11-09 05:10:03,544 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 120 transitions. Word has length 182 [2024-11-09 05:10:03,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:10:03,545 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 120 transitions. [2024-11-09 05:10:03,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-09 05:10:03,545 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2024-11-09 05:10:03,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-09 05:10:03,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:10:03,553 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:10:03,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 05:10:03,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:10:03,754 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:10:03,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:10:03,755 INFO L85 PathProgramCache]: Analyzing trace with hash -206134153, now seen corresponding path program 1 times [2024-11-09 05:10:03,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:10:03,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105900753] [2024-11-09 05:10:03,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:10:03,757 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 [2024-11-09 05:10:03,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:10:03,761 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:10:03,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:10:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:10:04,436 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:10:04,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:10:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 568 proven. 66 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-09 05:10:07,767 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:10:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 18 proven. 66 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-09 05:10:10,847 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:10:10,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105900753] [2024-11-09 05:10:10,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105900753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:10:10,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [896357827] [2024-11-09 05:10:10,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:10:10,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:10:10,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:10:10,852 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:10:10,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 05:10:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:10:11,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 05:10:11,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:10:11,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-09 05:10:11,684 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:10:11,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [896357827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:10:11,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-09 05:10:11,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2024-11-09 05:10:11,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59779269] [2024-11-09 05:10:11,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:10:11,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:10:11,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:10:11,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:10:11,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:10:11,687 INFO L87 Difference]: Start difference. First operand 79 states and 120 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-09 05:10:13,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:14,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:10:14,568 INFO L93 Difference]: Finished difference Result 176 states and 265 transitions. [2024-11-09 05:10:14,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:10:14,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 183 [2024-11-09 05:10:14,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:10:14,627 INFO L225 Difference]: With dead ends: 176 [2024-11-09 05:10:14,627 INFO L226 Difference]: Without dead ends: 100 [2024-11-09 05:10:14,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 539 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:10:14,629 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 24 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-09 05:10:14,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 228 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2024-11-09 05:10:14,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-09 05:10:14,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 84. [2024-11-09 05:10:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 53 states have internal predecessors, (68), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 05:10:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 126 transitions. [2024-11-09 05:10:14,669 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 126 transitions. Word has length 183 [2024-11-09 05:10:14,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:10:14,672 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 126 transitions. [2024-11-09 05:10:14,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-09 05:10:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 126 transitions. [2024-11-09 05:10:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-09 05:10:14,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:10:14,679 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:10:14,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:10:14,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 05:10:15,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:10:15,081 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:10:15,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:10:15,081 INFO L85 PathProgramCache]: Analyzing trace with hash 186892857, now seen corresponding path program 1 times [2024-11-09 05:10:15,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:10:15,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [727192056] [2024-11-09 05:10:15,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:10:15,083 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 [2024-11-09 05:10:15,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:10:15,087 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:10:15,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 (8)] Waiting until timeout for monitored process [2024-11-09 05:10:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:10:15,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:10:15,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:10:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 568 proven. 66 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-09 05:10:19,086 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:10:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 18 proven. 66 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-09 05:10:22,323 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:10:22,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [727192056] [2024-11-09 05:10:22,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [727192056] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:10:22,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1971752151] [2024-11-09 05:10:22,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:10:22,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:10:22,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:10:22,325 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:10:22,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 05:10:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:10:23,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:10:23,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:10:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 568 proven. 66 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-09 05:10:27,295 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:10:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 18 proven. 66 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-09 05:10:30,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1971752151] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:10:30,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495838930] [2024-11-09 05:10:30,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:10:30,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:10:30,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:10:30,401 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:10:30,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 05:10:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:10:30,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:10:30,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:10:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 568 proven. 66 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-11-09 05:10:34,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:10:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 18 proven. 66 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-11-09 05:10:37,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495838930] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:10:37,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:10:37,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-09 05:10:37,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044888573] [2024-11-09 05:10:37,354 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:10:37,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 05:10:37,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:10:37,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 05:10:37,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:10:37,357 INFO L87 Difference]: Start difference. First operand 84 states and 126 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-09 05:10:41,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:43,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:45,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 05:10:45,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:10:45,843 INFO L93 Difference]: Finished difference Result 171 states and 254 transitions. [2024-11-09 05:10:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 05:10:45,888 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 183 [2024-11-09 05:10:45,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:10:45,890 INFO L225 Difference]: With dead ends: 171 [2024-11-09 05:10:45,890 INFO L226 Difference]: Without dead ends: 90 [2024-11-09 05:10:45,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1095 GetRequests, 1084 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:10:45,892 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 45 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:10:45,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 195 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 154 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2024-11-09 05:10:45,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-09 05:10:45,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2024-11-09 05:10:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-09 05:10:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 127 transitions. [2024-11-09 05:10:45,912 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 127 transitions. Word has length 183 [2024-11-09 05:10:45,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:10:45,913 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 127 transitions. [2024-11-09 05:10:45,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2024-11-09 05:10:45,914 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 127 transitions. [2024-11-09 05:10:45,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-09 05:10:45,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:10:45,917 INFO L215 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:10:45,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 (8)] Ended with exit code 0 [2024-11-09 05:10:46,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 05:10:46,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 05:10:46,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt [2024-11-09 05:10:46,519 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:10:46,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:10:46,519 INFO L85 PathProgramCache]: Analyzing trace with hash 445058295, now seen corresponding path program 1 times [2024-11-09 05:10:46,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:10:46,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875220632] [2024-11-09 05:10:46,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:10:46,520 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 [2024-11-09 05:10:46,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:10:46,522 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:10:46,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90fd1fa2-373d-410e-b142-9df307f9863a/bin/utaipan-verify-YMUCfTKeje/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 (11)] Waiting until timeout for monitored process [2024-11-09 05:10:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:10:47,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-09 05:10:47,111 INFO L278 TraceCheckSpWp]: Computing forward predicates...