./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh --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 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:25:59,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:25:59,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:25:59,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:25:59,605 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:25:59,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:25:59,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:25:59,629 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:25:59,630 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:25:59,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:25:59,631 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:25:59,631 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:25:59,632 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:25:59,632 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:25:59,633 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:25:59,633 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:25:59,634 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:25:59,634 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:25:59,635 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:25:59,635 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:25:59,636 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:25:59,636 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:25:59,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:25:59,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:25:59,638 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:25:59,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:25:59,638 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:25:59,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:25:59,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:25:59,640 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:25:59,640 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:25:59,641 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:25:59,641 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:25:59,641 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:25:59,642 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:25:59,642 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:25:59,642 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:25:59,643 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:25:59,643 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:25:59,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:25:59,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:25:59,644 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:25:59,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:25:59,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:25:59,644 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:25:59,644 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:25:59,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:25:59,645 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_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2023-12-02 12:25:59,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:25:59,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:25:59,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:25:59,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:25:59,891 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:25:59,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-12-02 12:26:02,638 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:26:02,829 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:26:02,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-12-02 12:26:02,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/data/a7a3e641f/a9cc8d6924c54286bc2f3a7a58d7cf7e/FLAGda694fac4 [2023-12-02 12:26:02,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/data/a7a3e641f/a9cc8d6924c54286bc2f3a7a58d7cf7e [2023-12-02 12:26:02,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:26:02,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:26:02,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:26:02,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:26:02,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:26:02,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:26:02" (1/1) ... [2023-12-02 12:26:02,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d8c29b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:02, skipping insertion in model container [2023-12-02 12:26:02,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:26:02" (1/1) ... [2023-12-02 12:26:02,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:26:03,044 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-12-02 12:26:03,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:26:03,110 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:26:03,123 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-12-02 12:26:03,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:26:03,172 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:26:03,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03 WrapperNode [2023-12-02 12:26:03,172 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:26:03,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:26:03,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:26:03,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:26:03,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,229 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 199 [2023-12-02 12:26:03,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:26:03,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:26:03,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:26:03,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:26:03,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:26:03,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:26:03,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:26:03,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:26:03,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (1/1) ... [2023-12-02 12:26:03,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:26:03,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:26:03,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:26:03,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:26:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:26:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:26:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:26:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:26:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:26:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:26:03,416 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:26:03,418 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:26:03,758 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:26:03,922 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:26:03,923 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:26:03,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:26:03 BoogieIcfgContainer [2023-12-02 12:26:03,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:26:03,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:26:03,927 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:26:03,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:26:03,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:26:02" (1/3) ... [2023-12-02 12:26:03,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390f06b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:26:03, skipping insertion in model container [2023-12-02 12:26:03,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:03" (2/3) ... [2023-12-02 12:26:03,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390f06b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:26:03, skipping insertion in model container [2023-12-02 12:26:03,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:26:03" (3/3) ... [2023-12-02 12:26:03,933 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-12-02 12:26:03,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:26:03,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:26:04,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:26:04,009 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59aba86c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:26:04,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:26:04,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 12:26:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 12:26:04,028 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:26:04,029 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:26:04,030 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:26:04,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:26:04,035 INFO L85 PathProgramCache]: Analyzing trace with hash 395467943, now seen corresponding path program 1 times [2023-12-02 12:26:04,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:26:04,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243396016] [2023-12-02 12:26:04,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:04,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:26:04,215 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:26:04,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [780979334] [2023-12-02 12:26:04,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:04,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:26:04,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:26:04,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:26:04,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:26:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:26:04,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:26:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:26:04,703 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:26:04,706 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:26:04,707 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:26:04,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:26:04,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 12:26:04,921 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:26:04,924 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:26:05,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:26:05 BoogieIcfgContainer [2023-12-02 12:26:05,047 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:26:05,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:26:05,048 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:26:05,048 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:26:05,049 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:26:03" (3/4) ... [2023-12-02 12:26:05,051 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:26:05,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:26:05,054 INFO L158 Benchmark]: Toolchain (without parser) took 2194.93ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 108.6MB in the beginning and 120.2MB in the end (delta: -11.6MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-12-02 12:26:05,054 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 55.5MB in the beginning and 55.3MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:26:05,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.82ms. Allocated memory is still 146.8MB. Free memory was 108.1MB in the beginning and 94.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 12:26:05,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.84ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 90.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:26:05,056 INFO L158 Benchmark]: Boogie Preprocessor took 40.63ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 88.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:26:05,057 INFO L158 Benchmark]: RCFGBuilder took 653.26ms. Allocated memory is still 146.8MB. Free memory was 88.8MB in the beginning and 94.1MB in the end (delta: -5.3MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-12-02 12:26:05,058 INFO L158 Benchmark]: TraceAbstraction took 1120.21ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 93.3MB in the beginning and 120.2MB in the end (delta: -26.9MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-12-02 12:26:05,058 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 176.2MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:26:05,062 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 55.5MB in the beginning and 55.3MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.82ms. Allocated memory is still 146.8MB. Free memory was 108.1MB in the beginning and 94.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.84ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 90.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.63ms. Allocated memory is still 146.8MB. Free memory was 90.5MB in the beginning and 88.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 653.26ms. Allocated memory is still 146.8MB. Free memory was 88.8MB in the beginning and 94.1MB in the end (delta: -5.3MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1120.21ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 93.3MB in the beginning and 120.2MB in the end (delta: -26.9MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 176.2MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 169. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 50; [L23] signed char var_1_3 = 8; [L24] signed char var_1_4 = 10; [L25] double var_1_5 = 16.5; [L26] signed char var_1_6 = 64; [L27] signed char var_1_7 = 2; [L28] unsigned short int var_1_8 = 256; [L29] unsigned short int var_1_10 = 63583; [L30] unsigned short int var_1_11 = 33789; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_14 = 0; [L33] signed long int var_1_15 = 8; [L34] signed short int var_1_16 = -16; [L35] signed short int var_1_18 = 16; [L36] signed short int var_1_19 = 25; [L37] signed short int var_1_20 = 25; [L38] signed short int var_1_21 = 50; [L39] signed long int var_1_22 = -8; [L40] unsigned char var_1_23 = 1; [L41] signed long int var_1_24 = 5; [L42] signed long int var_1_25 = -128; [L43] unsigned long int var_1_26 = 10; [L44] unsigned long int var_1_27 = 5; [L45] signed long int var_1_28 = -10000; [L46] signed long int var_1_29 = 256; [L47] double var_1_30 = 2.75; [L48] double var_1_31 = 10.5; [L49] unsigned short int var_1_32 = 25; [L50] unsigned short int var_1_33 = 5; [L51] unsigned short int var_1_34 = 16; [L52] signed short int var_1_35 = 4; [L53] signed short int var_1_36 = 8; [L54] unsigned char last_1_var_1_12 = 1; [L173] isInitial = 1 [L174] FCALL initially() [L175] COND TRUE 1 [L176] CALL updateLastVariables() [L166] last_1_var_1_12 = var_1_12 [L176] RET updateLastVariables() [L177] CALL updateVariables() [L114] var_1_3 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_3 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_3 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L116] CALL assume_abort_if_not(var_1_3 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_3 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=10, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L117] var_1_4 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L119] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=64, var_1_7=2, var_1_8=256] [L120] var_1_6 = __VERIFIER_nondet_char() [L121] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=2, var_1_8=256] [L122] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=2, var_1_8=256] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=2, var_1_8=256] [L123] var_1_7 = __VERIFIER_nondet_char() [L124] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L125] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=63583, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L126] var_1_10 = __VERIFIER_nondet_ushort() [L127] CALL assume_abort_if_not(var_1_10 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_10 >= 49150) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L128] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=33789, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L129] var_1_11 = __VERIFIER_nondet_ushort() [L130] CALL assume_abort_if_not(var_1_11 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_11 >= 32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L131] CALL assume_abort_if_not(var_1_11 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_11 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L132] var_1_14 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L134] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=25, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L135] var_1_20 = __VERIFIER_nondet_short() [L136] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L137] CALL assume_abort_if_not(var_1_20 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_20 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=50, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L138] var_1_21 = __VERIFIER_nondet_short() [L139] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L140] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L141] var_1_23 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L143] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=5, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L144] var_1_24 = __VERIFIER_nondet_long() [L145] CALL assume_abort_if_not(var_1_24 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_24 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L146] CALL assume_abort_if_not(var_1_24 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_24 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-128, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L147] var_1_25 = __VERIFIER_nondet_long() [L148] CALL assume_abort_if_not(var_1_25 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_25 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L149] CALL assume_abort_if_not(var_1_25 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_25 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=5, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L150] var_1_27 = __VERIFIER_nondet_ulong() [L151] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L152] CALL assume_abort_if_not(var_1_27 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_27 <= 4294967294) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=256, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L153] var_1_29 = __VERIFIER_nondet_long() [L154] CALL assume_abort_if_not(var_1_29 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_29 >= -2147483647) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L155] CALL assume_abort_if_not(var_1_29 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_29 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_31=21/2, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L156] var_1_31 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_31 >= -922337.2036854765600e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 9223372.036854765600e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_32=25, var_1_33=5, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L158] var_1_33 = __VERIFIER_nondet_ushort() [L159] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_32=25, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_32=25, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L160] CALL assume_abort_if_not(var_1_33 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_33 <= 65534) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=8, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L161] var_1_36 = __VERIFIER_nondet_short() [L162] CALL assume_abort_if_not(var_1_36 >= -32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_36 >= -32767) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L163] CALL assume_abort_if_not(var_1_36 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_36 <= 32766) VAL [isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=8, var_1_16=-16, var_1_18=16, var_1_19=25, var_1_1=50, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=10, var_1_27=4294967294, var_1_28=-10000, var_1_29=2147483646, var_1_30=11/4, var_1_32=25, var_1_33=65534, var_1_34=16, var_1_35=4, var_1_36=-32767, var_1_3=-63, var_1_4=63, var_1_5=33/2, var_1_6=1, var_1_7=0, var_1_8=256] [L177] RET updateVariables() [L178] CALL step() [L58] COND FALSE !(var_1_24 > var_1_25) [L63] var_1_26 = var_1_27 [L64] var_1_28 = var_1_29 [L65] var_1_30 = var_1_31 [L66] var_1_32 = var_1_33 [L67] var_1_34 = var_1_33 [L68] var_1_35 = var_1_36 [L69] signed char stepLocal_1 = var_1_6; [L70] unsigned char stepLocal_0 = last_1_var_1_12; [L71] COND FALSE !(-25 == stepLocal_1) [L76] var_1_8 = ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))) [L78] signed char stepLocal_2 = var_1_7; [L79] COND TRUE var_1_8 >= stepLocal_2 [L80] var_1_12 = (! var_1_14) [L82] COND TRUE \read(var_1_12) [L83] var_1_1 = (var_1_3 + var_1_4) [L85] COND TRUE var_1_4 >= (var_1_6 - var_1_7) [L86] COND TRUE \read(var_1_12) [L87] var_1_5 = 8.25 [L90] signed char stepLocal_4 = var_1_6; [L91] COND TRUE var_1_1 < stepLocal_4 [L92] var_1_18 = (var_1_6 - var_1_7) [L96] COND TRUE \read(var_1_12) [L97] var_1_19 = ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6) [L99] COND TRUE -64 > (var_1_6 + var_1_19) [L100] var_1_15 = (var_1_11 - var_1_7) [L108] signed long int stepLocal_3 = ((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10); [L109] COND FALSE !(var_1_19 > stepLocal_3) [L178] RET step() [L179] CALL, EXPR property() [L169-L170] return (((((((var_1_12 ? (var_1_1 == ((signed char) (var_1_3 + var_1_4))) : 1) && ((var_1_4 >= (var_1_6 - var_1_7)) ? (var_1_12 ? (var_1_5 == ((double) 8.25)) : 1) : 1)) && ((-25 == var_1_6) ? ((last_1_var_1_12 && last_1_var_1_12) ? (var_1_8 == ((unsigned short int) ((((((var_1_10 - 10) - 16)) > ((var_1_11 - var_1_7))) ? (((var_1_10 - 10) - 16)) : ((var_1_11 - var_1_7)))))) : 1) : (var_1_8 == ((unsigned short int) ((((var_1_7) > (var_1_11)) ? (var_1_7) : (var_1_11))))))) && ((var_1_8 >= var_1_7) ? (var_1_12 == ((unsigned char) (! var_1_14))) : 1)) && ((-64 > (var_1_6 + var_1_19)) ? (var_1_15 == ((signed long int) (var_1_11 - var_1_7))) : ((! var_1_12) ? (var_1_12 ? (var_1_15 == ((signed long int) 4)) : 1) : 1))) && ((var_1_19 > (((((var_1_11) > (var_1_18)) ? (var_1_11) : (var_1_18))) + (var_1_15 / var_1_10))) ? (var_1_16 == ((signed short int) var_1_4)) : 1)) && ((var_1_1 < var_1_6) ? (var_1_18 == ((signed short int) (var_1_6 - var_1_7))) : (var_1_18 == ((signed short int) (((((var_1_6 + var_1_4)) < (var_1_1)) ? ((var_1_6 + var_1_4)) : (var_1_1))))))) && (var_1_12 ? (var_1_19 == ((signed short int) ((var_1_7 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21)))) + var_1_6))) : 1) ; [L179] RET, EXPR property() [L179] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=1, var_1_19=-66, var_1_1=0, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=4294967294, var_1_27=4294967294, var_1_28=2147483646, var_1_29=2147483646, var_1_30=2, var_1_31=2, var_1_32=65534, var_1_33=65534, var_1_34=65534, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=63, var_1_5=33/4, var_1_6=1, var_1_7=0, var_1_8=32767] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=1, var_1_10=49150, var_1_11=32767, var_1_12=1, var_1_14=0, var_1_15=32767, var_1_16=-16, var_1_18=1, var_1_19=-66, var_1_1=0, var_1_20=67, var_1_21=16383, var_1_22=-8, var_1_23=1, var_1_24=-2147483648, var_1_25=-2147483648, var_1_26=4294967294, var_1_27=4294967294, var_1_28=2147483646, var_1_29=2147483646, var_1_30=2, var_1_31=2, var_1_32=65534, var_1_33=65534, var_1_34=65534, var_1_35=-32767, var_1_36=-32767, var_1_3=-63, var_1_4=63, var_1_5=33/4, var_1_6=1, var_1_7=0, var_1_8=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 33, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 12:26:05,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/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_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh --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 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:26:06,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:26:07,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:26:07,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:26:07,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:26:07,094 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:26:07,095 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:26:07,095 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:26:07,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:26:07,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:26:07,098 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:26:07,098 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:26:07,099 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:26:07,099 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:26:07,100 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:26:07,101 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:26:07,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:26:07,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:26:07,102 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:26:07,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:26:07,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:26:07,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:26:07,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:26:07,105 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:26:07,105 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:26:07,106 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:26:07,106 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:26:07,107 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:26:07,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:26:07,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:26:07,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:26:07,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:26:07,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:26:07,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:26:07,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:26:07,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:26:07,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:26:07,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:26:07,110 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:26:07,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:26:07,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:26:07,111 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:26:07,111 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:26:07,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:26:07,111 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2023-12-02 12:26:07,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:26:07,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:26:07,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:26:07,424 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:26:07,424 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:26:07,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-12-02 12:26:10,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:26:10,453 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:26:10,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-12-02 12:26:10,464 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/data/a32912c41/06dbe54263174f69b6d6bd8646848589/FLAG2a5d25e8f [2023-12-02 12:26:10,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/data/a32912c41/06dbe54263174f69b6d6bd8646848589 [2023-12-02 12:26:10,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:26:10,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:26:10,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:26:10,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:26:10,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:26:10,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49379208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10, skipping insertion in model container [2023-12-02 12:26:10,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:26:10,652 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-12-02 12:26:10,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:26:10,728 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:26:10,738 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i[915,928] [2023-12-02 12:26:10,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:26:10,789 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:26:10,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10 WrapperNode [2023-12-02 12:26:10,790 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:26:10,791 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:26:10,791 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:26:10,791 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:26:10,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,838 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2023-12-02 12:26:10,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:26:10,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:26:10,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:26:10,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:26:10,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,872 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:26:10,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:26:10,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:26:10,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:26:10,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (1/1) ... [2023-12-02 12:26:10,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:26:10,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:26:10,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:26:10,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:26:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:26:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:26:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:26:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:26:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:26:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:26:11,047 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:26:11,050 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:26:11,426 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:26:11,469 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:26:11,469 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:26:11,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:26:11 BoogieIcfgContainer [2023-12-02 12:26:11,470 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:26:11,472 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:26:11,473 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:26:11,475 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:26:11,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:26:10" (1/3) ... [2023-12-02 12:26:11,476 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204e56c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:26:11, skipping insertion in model container [2023-12-02 12:26:11,476 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:26:10" (2/3) ... [2023-12-02 12:26:11,477 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204e56c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:26:11, skipping insertion in model container [2023-12-02 12:26:11,477 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:26:11" (3/3) ... [2023-12-02 12:26:11,478 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2023-12-02 12:26:11,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:26:11,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:26:11,534 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:26:11,540 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23f4975, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:26:11,540 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:26:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 46 states have internal predecessors, (64), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 12:26:11,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 12:26:11,560 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:26:11,560 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:26:11,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:26:11,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:26:11,566 INFO L85 PathProgramCache]: Analyzing trace with hash 511374933, now seen corresponding path program 1 times [2023-12-02 12:26:11,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:26:11,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838299080] [2023-12-02 12:26:11,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:11,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:26:11,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:26:11,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:26:11,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 12:26:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:11,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:26:11,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:26:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1024 proven. 0 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-12-02 12:26:11,894 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:26:11,895 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:26:11,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838299080] [2023-12-02 12:26:11,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [838299080] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:26:11,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:26:11,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:26:11,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111365601] [2023-12-02 12:26:11,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:26:11,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:26:11,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:26:11,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:26:11,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:26:11,936 INFO L87 Difference]: Start difference. First operand has 81 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 46 states have internal predecessors, (64), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 12:26:12,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:26:12,008 INFO L93 Difference]: Finished difference Result 159 states and 291 transitions. [2023-12-02 12:26:12,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:26:12,014 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 200 [2023-12-02 12:26:12,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:26:12,021 INFO L225 Difference]: With dead ends: 159 [2023-12-02 12:26:12,021 INFO L226 Difference]: Without dead ends: 79 [2023-12-02 12:26:12,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:26:12,028 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:26:12,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 12:26:12,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-12-02 12:26:12,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-12-02 12:26:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-12-02 12:26:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 125 transitions. [2023-12-02 12:26:12,079 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 125 transitions. Word has length 200 [2023-12-02 12:26:12,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:26:12,080 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 125 transitions. [2023-12-02 12:26:12,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-12-02 12:26:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2023-12-02 12:26:12,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 12:26:12,085 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:26:12,086 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:26:12,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:26:12,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:26:12,289 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:26:12,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:26:12,290 INFO L85 PathProgramCache]: Analyzing trace with hash 493199507, now seen corresponding path program 1 times [2023-12-02 12:26:12,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:26:12,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190040329] [2023-12-02 12:26:12,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:12,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:26:12,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:26:12,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:26:12,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 12:26:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:12,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:26:12,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:26:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 12:26:12,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:26:12,986 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:26:12,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190040329] [2023-12-02 12:26:12,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190040329] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:26:12,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:26:12,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:26:12,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484262898] [2023-12-02 12:26:12,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:26:12,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:26:12,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:26:12,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:26:12,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:26:12,991 INFO L87 Difference]: Start difference. First operand 79 states and 125 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 12:26:13,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:26:13,098 INFO L93 Difference]: Finished difference Result 234 states and 371 transitions. [2023-12-02 12:26:13,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:26:13,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2023-12-02 12:26:13,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:26:13,104 INFO L225 Difference]: With dead ends: 234 [2023-12-02 12:26:13,104 INFO L226 Difference]: Without dead ends: 156 [2023-12-02 12:26:13,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:26:13,107 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 21 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:26:13,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 229 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:26:13,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2023-12-02 12:26:13,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2023-12-02 12:26:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 85 states have internal predecessors, (110), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-12-02 12:26:13,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 242 transitions. [2023-12-02 12:26:13,157 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 242 transitions. Word has length 200 [2023-12-02 12:26:13,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:26:13,158 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 242 transitions. [2023-12-02 12:26:13,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 12:26:13,159 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 242 transitions. [2023-12-02 12:26:13,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 12:26:13,163 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:26:13,163 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:26:13,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:26:13,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:26:13,368 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:26:13,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:26:13,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1281807855, now seen corresponding path program 1 times [2023-12-02 12:26:13,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:26:13,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509552060] [2023-12-02 12:26:13,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:13,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:26:13,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:26:13,372 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:26:13,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 12:26:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:13,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 12:26:13,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:26:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 966 proven. 141 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2023-12-02 12:26:14,426 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:26:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 12:26:14,617 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:26:14,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509552060] [2023-12-02 12:26:14,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509552060] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 12:26:14,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 12:26:14,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 12 [2023-12-02 12:26:14,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687389614] [2023-12-02 12:26:14,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:26:14,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:26:14,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:26:14,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:26:14,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-02 12:26:14,620 INFO L87 Difference]: Start difference. First operand 154 states and 242 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 12:26:15,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:26:15,079 INFO L93 Difference]: Finished difference Result 408 states and 641 transitions. [2023-12-02 12:26:15,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 12:26:15,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2023-12-02 12:26:15,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:26:15,084 INFO L225 Difference]: With dead ends: 408 [2023-12-02 12:26:15,085 INFO L226 Difference]: Without dead ends: 255 [2023-12-02 12:26:15,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-12-02 12:26:15,088 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 112 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:26:15,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 252 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 12:26:15,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-12-02 12:26:15,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 196. [2023-12-02 12:26:15,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 113 states have (on average 1.3097345132743363) internal successors, (148), 115 states have internal predecessors, (148), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2023-12-02 12:26:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 304 transitions. [2023-12-02 12:26:15,148 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 304 transitions. Word has length 200 [2023-12-02 12:26:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:26:15,149 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 304 transitions. [2023-12-02 12:26:15,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 12:26:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 304 transitions. [2023-12-02 12:26:15,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 12:26:15,154 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:26:15,154 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:26:15,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 12:26:15,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:26:15,361 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:26:15,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:26:15,362 INFO L85 PathProgramCache]: Analyzing trace with hash 235034069, now seen corresponding path program 1 times [2023-12-02 12:26:15,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:26:15,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296699039] [2023-12-02 12:26:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:15,363 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 [2023-12-02 12:26:15,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:26:15,364 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:26:15,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 12:26:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:15,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:26:15,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:26:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1046 proven. 57 refuted. 0 times theorem prover too weak. 1009 trivial. 0 not checked. [2023-12-02 12:26:15,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:26:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 39 proven. 57 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 12:26:16,020 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:26:16,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296699039] [2023-12-02 12:26:16,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296699039] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:26:16,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1036446878] [2023-12-02 12:26:16,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:16,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:26:16,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:26:16,028 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:26:16,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 12:26:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:16,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:26:16,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:26:16,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-12-02 12:26:16,315 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:26:16,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1036446878] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:26:16,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:26:16,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 9 [2023-12-02 12:26:16,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975836228] [2023-12-02 12:26:16,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:26:16,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:26:16,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:26:16,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:26:16,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 12:26:16,326 INFO L87 Difference]: Start difference. First operand 196 states and 304 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 12:26:16,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:26:16,429 INFO L93 Difference]: Finished difference Result 407 states and 634 transitions. [2023-12-02 12:26:16,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:26:16,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2023-12-02 12:26:16,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:26:16,434 INFO L225 Difference]: With dead ends: 407 [2023-12-02 12:26:16,435 INFO L226 Difference]: Without dead ends: 300 [2023-12-02 12:26:16,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 597 GetRequests, 589 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 12:26:16,437 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 113 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:26:16,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 230 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 12:26:16,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-12-02 12:26:16,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 208. [2023-12-02 12:26:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 125 states have (on average 1.32) internal successors, (165), 127 states have internal predecessors, (165), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2023-12-02 12:26:16,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 321 transitions. [2023-12-02 12:26:16,470 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 321 transitions. Word has length 200 [2023-12-02 12:26:16,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:26:16,471 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 321 transitions. [2023-12-02 12:26:16,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-12-02 12:26:16,472 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 321 transitions. [2023-12-02 12:26:16,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 12:26:16,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:26:16,475 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:26:16,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:26:16,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 12:26:16,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:26:16,876 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:26:16,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:26:16,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1539973293, now seen corresponding path program 1 times [2023-12-02 12:26:16,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:26:16,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487745180] [2023-12-02 12:26:16,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:16,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:26:16,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:26:16,879 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:26:16,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/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)] Waiting until timeout for monitored process [2023-12-02 12:26:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:17,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 12:26:17,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:26:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 931 proven. 213 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-12-02 12:26:19,472 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:26:24,968 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:26:24,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487745180] [2023-12-02 12:26:24,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487745180] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:26:24,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [639254462] [2023-12-02 12:26:24,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:24,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:26:24,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:26:24,979 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:26:24,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 12:26:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:25,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 12:26:25,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:26:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 913 proven. 207 refuted. 0 times theorem prover too weak. 992 trivial. 0 not checked. [2023-12-02 12:26:33,231 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:26:40,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [639254462] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:26:40,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775601204] [2023-12-02 12:26:40,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:26:40,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:26:40,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:26:40,313 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:26:40,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 12:26:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:26:40,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 12:26:40,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:26:42,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 931 proven. 213 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-12-02 12:26:42,667 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:26:46,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775601204] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:26:46,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 12:26:46,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 22 [2023-12-02 12:26:46,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562184974] [2023-12-02 12:26:46,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 12:26:46,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-02 12:26:46,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:26:46,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-02 12:26:46,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=650, Unknown=1, NotChecked=0, Total=756 [2023-12-02 12:26:46,043 INFO L87 Difference]: Start difference. First operand 208 states and 321 transitions. Second operand has 22 states, 22 states have (on average 4.5) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (61), 7 states have call predecessors, (61), 12 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) [2023-12-02 12:27:07,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:27:10,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:27:18,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:27:33,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:27:37,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:27:37,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:27:37,504 INFO L93 Difference]: Finished difference Result 577 states and 818 transitions. [2023-12-02 12:27:37,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-12-02 12:27:37,506 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.5) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (61), 7 states have call predecessors, (61), 12 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) Word has length 200 [2023-12-02 12:27:37,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:27:37,510 INFO L225 Difference]: With dead ends: 577 [2023-12-02 12:27:37,510 INFO L226 Difference]: Without dead ends: 370 [2023-12-02 12:27:37,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 629 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 24.8s TimeCoverageRelationStatistics Valid=551, Invalid=2204, Unknown=1, NotChecked=0, Total=2756 [2023-12-02 12:27:37,514 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 296 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:27:37,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 546 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 40.2s Time] [2023-12-02 12:27:37,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2023-12-02 12:27:37,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 350. [2023-12-02 12:27:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 219 states have (on average 1.2009132420091324) internal successors, (263), 225 states have internal predecessors, (263), 106 states have call successors, (106), 24 states have call predecessors, (106), 24 states have return successors, (106), 100 states have call predecessors, (106), 106 states have call successors, (106) [2023-12-02 12:27:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 475 transitions. [2023-12-02 12:27:37,571 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 475 transitions. Word has length 200 [2023-12-02 12:27:37,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:27:37,572 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 475 transitions. [2023-12-02 12:27:37,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.5) internal successors, (99), 22 states have internal predecessors, (99), 7 states have call successors, (61), 7 states have call predecessors, (61), 12 states have return successors, (62), 7 states have call predecessors, (62), 7 states have call successors, (62) [2023-12-02 12:27:37,573 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 475 transitions. [2023-12-02 12:27:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 12:27:37,575 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:27:37,575 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:27:37,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 12:27:37,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 12:27:37,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 12:27:38,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:27:38,177 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:27:38,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:27:38,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1539913711, now seen corresponding path program 1 times [2023-12-02 12:27:38,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:27:38,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1179670890] [2023-12-02 12:27:38,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:27:38,179 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:27:38,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:27:38,180 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:27:38,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f021b8b6-724d-4803-a357-1a4e5ae69cb4/bin/utaipan-verify-nQ1chXbOIh/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)] Waiting until timeout for monitored process [2023-12-02 12:27:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:27:38,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 12:27:38,413 INFO L285 TraceCheckSpWp]: Computing forward predicates...