./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.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_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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_8a15134a-dee1-4d39-a442-10fda4993c29/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 83604eaba023e80a74c2adeaae77fd22a53b798f0a7ca2c7b67374de35192140 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:14:26,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:14:26,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:14:26,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:14:26,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:14:26,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:14:26,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:14:26,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:14:26,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:14:26,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:14:26,260 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:14:26,260 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:14:26,260 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:14:26,261 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:14:26,261 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:14:26,262 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:14:26,262 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:14:26,263 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:14:26,263 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:14:26,264 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:14:26,264 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:14:26,265 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:14:26,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:14:26,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:14:26,266 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:14:26,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:14:26,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:14:26,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:14:26,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:14:26,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:14:26,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:14:26,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:14:26,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:14:26,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:14:26,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:14:26,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:14:26,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:14:26,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:14:26,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:14:26,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:14:26,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:14:26,271 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:14:26,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:14:26,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:14:26,272 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:14:26,272 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:14:26,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:14:26,273 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_8a15134a-dee1-4d39-a442-10fda4993c29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83604eaba023e80a74c2adeaae77fd22a53b798f0a7ca2c7b67374de35192140 [2023-12-02 13:14:26,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:14:26,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:14:26,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:14:26,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:14:26,500 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:14:26,501 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.i [2023-12-02 13:14:29,258 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:14:29,428 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:14:29,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.i [2023-12-02 13:14:29,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/data/b464ed7d4/de7e68a40a044f2fabb809d5c7b8e0ad/FLAGf694df5cc [2023-12-02 13:14:29,450 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/data/b464ed7d4/de7e68a40a044f2fabb809d5c7b8e0ad [2023-12-02 13:14:29,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:14:29,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:14:29,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:14:29,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:14:29,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:14:29,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef049be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29, skipping insertion in model container [2023-12-02 13:14:29,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,495 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:14:29,614 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_8a15134a-dee1-4d39-a442-10fda4993c29/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.i[915,928] [2023-12-02 13:14:29,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:14:29,688 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:14:29,698 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_8a15134a-dee1-4d39-a442-10fda4993c29/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.i[915,928] [2023-12-02 13:14:29,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:14:29,748 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:14:29,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29 WrapperNode [2023-12-02 13:14:29,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:14:29,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:14:29,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:14:29,750 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:14:29,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,803 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-12-02 13:14:29,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:14:29,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:14:29,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:14:29,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:14:29,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:14:29,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:14:29,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:14:29,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:14:29,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (1/1) ... [2023-12-02 13:14:29,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:14:29,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:14:29,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:14:29,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:14:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:14:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:14:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:14:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:14:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:14:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:14:29,995 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:14:29,997 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:14:30,351 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:14:30,587 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:14:30,587 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:14:30,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:30 BoogieIcfgContainer [2023-12-02 13:14:30,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:14:30,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:14:30,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:14:30,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:14:30,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:14:29" (1/3) ... [2023-12-02 13:14:30,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bf7423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:30, skipping insertion in model container [2023-12-02 13:14:30,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:29" (2/3) ... [2023-12-02 13:14:30,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bf7423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:30, skipping insertion in model container [2023-12-02 13:14:30,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:30" (3/3) ... [2023-12-02 13:14:30,598 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-54.i [2023-12-02 13:14:30,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:14:30,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:14:30,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:14:30,675 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;@401d73c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:14:30,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:14:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 13:14:30,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 13:14:30,692 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:14:30,693 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:30,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:14:30,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:14:30,699 INFO L85 PathProgramCache]: Analyzing trace with hash 219791990, now seen corresponding path program 1 times [2023-12-02 13:14:30,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:14:30,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770356824] [2023-12-02 13:14:30,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:30,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:14:30,870 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:14:30,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [876551450] [2023-12-02 13:14:30,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:30,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:14:30,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:14:30,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:14:30,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:14:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:14:31,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:14:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:14:31,814 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:14:31,816 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:14:31,817 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:14:31,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:14:32,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:14:32,024 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:14:32,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:14:32,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:14:32 BoogieIcfgContainer [2023-12-02 13:14:32,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:14:32,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:14:32,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:14:32,127 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:14:32,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:30" (3/4) ... [2023-12-02 13:14:32,129 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:14:32,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:14:32,131 INFO L158 Benchmark]: Toolchain (without parser) took 2675.77ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 126.0MB in the beginning and 177.3MB in the end (delta: -51.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:14:32,131 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:14:32,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.11ms. Allocated memory is still 169.9MB. Free memory was 125.7MB in the beginning and 111.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 13:14:32,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.38ms. Allocated memory is still 169.9MB. Free memory was 111.4MB in the beginning and 108.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:14:32,133 INFO L158 Benchmark]: Boogie Preprocessor took 39.63ms. Allocated memory is still 169.9MB. Free memory was 108.2MB in the beginning and 106.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:14:32,134 INFO L158 Benchmark]: RCFGBuilder took 744.50ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 106.5MB in the beginning and 152.7MB in the end (delta: -46.3MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2023-12-02 13:14:32,134 INFO L158 Benchmark]: TraceAbstraction took 1534.64ms. Allocated memory is still 216.0MB. Free memory was 151.7MB in the beginning and 177.3MB in the end (delta: -25.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-02 13:14:32,135 INFO L158 Benchmark]: Witness Printer took 3.15ms. Allocated memory is still 216.0MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:14:32,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.11ms. Allocated memory is still 169.9MB. Free memory was 125.7MB in the beginning and 111.4MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.38ms. Allocated memory is still 169.9MB. Free memory was 111.4MB in the beginning and 108.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.63ms. Allocated memory is still 169.9MB. Free memory was 108.2MB in the beginning and 106.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 744.50ms. Allocated memory was 169.9MB in the beginning and 216.0MB in the end (delta: 46.1MB). Free memory was 106.5MB in the beginning and 152.7MB in the end (delta: -46.3MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1534.64ms. Allocated memory is still 216.0MB. Free memory was 151.7MB in the beginning and 177.3MB in the end (delta: -25.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 3.15ms. Allocated memory is still 216.0MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of bitwiseOr at line 66, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] signed short int var_1_4 = 256; [L24] signed short int var_1_5 = 0; [L25] signed short int var_1_6 = 25; [L26] signed short int var_1_8 = 100; [L27] unsigned char var_1_9 = 1; [L28] signed short int var_1_10 = -4; [L29] unsigned char var_1_11 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 1; [L32] unsigned long int var_1_14 = 64; [L33] double var_1_15 = 10.3; [L34] double var_1_16 = 128.6; [L35] unsigned long int var_1_17 = 2600113953; [L36] float var_1_18 = 8.25; [L37] float var_1_19 = 31.5; [L38] float var_1_20 = 2.625; [L39] float var_1_21 = 999999999999999.2; [L40] float var_1_22 = 127.5; [L41] float var_1_23 = 4.8; [L42] float var_1_24 = 16.5; [L43] signed long int var_1_25 = 10; [L44] unsigned char var_1_26 = 64; [L45] unsigned short int var_1_27 = 16; [L46] unsigned char var_1_28 = 1; [L47] unsigned char var_1_29 = 0; [L48] signed long int var_1_30 = 2; [L49] signed long int var_1_31 = 10; [L50] unsigned char last_1_var_1_9 = 1; [L165] isInitial = 1 [L166] FCALL initially() [L167] COND TRUE 1 [L168] CALL updateLastVariables() [L158] last_1_var_1_9 = var_1_9 [L168] RET updateLastVariables() [L169] CALL updateVariables() [L114] var_1_4 = __VERIFIER_nondet_short() [L115] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L116] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=0, var_1_6=25, var_1_8=100, var_1_9=1] [L117] var_1_5 = __VERIFIER_nondet_short() [L118] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=100, var_1_9=1] [L119] CALL assume_abort_if_not(var_1_5 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=100, var_1_9=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_5 <= 32766) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=100, var_1_9=1] [L120] var_1_8 = __VERIFIER_nondet_short() [L121] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L122] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=-4, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L123] var_1_10 = __VERIFIER_nondet_short() [L124] CALL assume_abort_if_not(var_1_10 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_10 >= -32768) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L125] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L126] CALL assume_abort_if_not(var_1_10 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_10 != 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L127] var_1_11 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L129] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L130] var_1_12 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L132] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_15=103/10, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L133] var_1_15 = __VERIFIER_nondet_double() [L134] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_16=643/5, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L135] var_1_16 = __VERIFIER_nondet_double() [L136] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=2600113953, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L137] var_1_17 = __VERIFIER_nondet_ulong() [L138] CALL assume_abort_if_not(var_1_17 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_17 >= 2147483647) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L139] CALL assume_abort_if_not(var_1_17 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_17 <= 4294967294) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_19=63/2, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L140] var_1_19 = __VERIFIER_nondet_float() [L141] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_20=21/8, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L142] var_1_20 = __VERIFIER_nondet_float() [L143] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_21=4999999999999996/5, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L144] var_1_21 = __VERIFIER_nondet_float() [L145] CALL assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_22=255/2, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L146] var_1_22 = __VERIFIER_nondet_float() [L147] CALL assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_24=33/2, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L148] var_1_24 = __VERIFIER_nondet_float() [L149] CALL assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_24 >= -922337.2036854765600e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=0, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L150] var_1_29 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L152] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=10, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L153] var_1_31 = __VERIFIER_nondet_long() [L154] CALL assume_abort_if_not(var_1_31 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2147483647, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_31 >= -2147483647) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2147483647, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L155] CALL assume_abort_if_not(var_1_31 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2147483647, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_31 <= 2147483647) VAL [isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=64, var_1_17=4294967281, var_1_18=33/4, var_1_1=-4, var_1_23=24/5, var_1_25=10, var_1_26=64, var_1_27=16, var_1_28=1, var_1_29=1, var_1_30=2, var_1_31=2147483647, var_1_4=0, var_1_5=1, var_1_6=25, var_1_8=2, var_1_9=1] [L169] RET updateVariables() [L170] CALL step() [L54] var_1_23 = var_1_24 [L55] var_1_25 = 256 [L56] COND FALSE !(var_1_24 > ((((63.125f) > (var_1_23)) ? (63.125f) : (var_1_23)))) [L59] var_1_27 = var_1_26 [L60] COND FALSE !(1 > var_1_27) [L65] COND FALSE !(var_1_23 < var_1_24) [L70] COND TRUE \read(var_1_29) [L71] var_1_30 = var_1_27 [L76] COND TRUE \read(last_1_var_1_9) [L77] COND FALSE !(var_1_5 == var_1_4) [L80] var_1_6 = var_1_8 [L85] COND FALSE !(-32 >= (var_1_5 - var_1_8)) [L92] var_1_18 = var_1_19 [L94] COND TRUE var_1_18 < ((((var_1_18) > ((var_1_15 - var_1_16))) ? (var_1_18) : ((var_1_15 - var_1_16)))) [L95] var_1_14 = (var_1_17 - (var_1_8 + var_1_4)) [L97] unsigned long int stepLocal_0 = var_1_14; [L98] COND FALSE !(((var_1_8 % var_1_10) * (8 + var_1_14)) >= stepLocal_0) [L101] var_1_9 = (! var_1_12) [L103] COND FALSE !(var_1_18 > var_1_18) [L106] var_1_1 = var_1_4 [L108] unsigned long int stepLocal_1 = (((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)); [L109] COND FALSE !(((var_1_8 * var_1_1) + var_1_4) >= stepLocal_1) [L170] RET step() [L171] CALL, EXPR property() [L161-L162] return ((((((var_1_18 > var_1_18) ? (var_1_1 == ((signed short int) ((((((2 + var_1_4)) < (var_1_5)) ? ((2 + var_1_4)) : (var_1_5))) - 2))) : (var_1_1 == ((signed short int) var_1_4))) && (last_1_var_1_9 ? ((var_1_5 == var_1_4) ? (var_1_6 == ((signed short int) ((((((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) < ((var_1_4 - var_1_8))) ? (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) : ((var_1_4 - var_1_8)))))) : (var_1_6 == ((signed short int) var_1_8))) : (var_1_6 == ((signed short int) var_1_4)))) && ((((var_1_8 % var_1_10) * (8 + var_1_14)) >= var_1_14) ? (var_1_9 == ((unsigned char) ((! var_1_11) || var_1_12))) : (var_1_9 == ((unsigned char) (! var_1_12))))) && ((((var_1_8 * var_1_1) + var_1_4) >= ((((var_1_14) < (var_1_5)) ? (var_1_14) : (var_1_5)))) ? (var_1_13 == ((unsigned char) var_1_12)) : 1)) && ((var_1_18 < ((((var_1_18) > ((var_1_15 - var_1_16))) ? (var_1_18) : ((var_1_15 - var_1_16))))) ? (var_1_14 == ((unsigned long int) (var_1_17 - (var_1_8 + var_1_4)))) : 1)) && ((-32 >= (var_1_5 - var_1_8)) ? ((var_1_10 > var_1_6) ? (var_1_18 == ((float) ((var_1_19 - var_1_20) + (var_1_21 + var_1_22)))) : (var_1_18 == ((float) var_1_20))) : (var_1_18 == ((float) var_1_19))) ; [L171] RET, EXPR property() [L171] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=4294967279, var_1_17=4294967281, var_1_18=3, var_1_19=3, var_1_1=0, var_1_20=0, var_1_23=2, var_1_24=2, var_1_25=256, var_1_26=64, var_1_27=64, var_1_28=1, var_1_29=1, var_1_30=64, var_1_31=2147483647, var_1_4=0, var_1_5=1, var_1_6=2, var_1_8=2, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_9=1, var_1_10=3, var_1_11=1, var_1_12=0, var_1_13=1, var_1_14=4294967279, var_1_17=4294967281, var_1_18=3, var_1_19=3, var_1_1=0, var_1_20=0, var_1_23=2, var_1_24=2, var_1_25=256, var_1_26=64, var_1_27=64, var_1_28=1, var_1_29=1, var_1_30=64, var_1_31=2147483647, var_1_4=0, var_1_5=1, var_1_6=2, var_1_8=2, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 26, 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=51occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 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 13:14:32,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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_8a15134a-dee1-4d39-a442-10fda4993c29/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 83604eaba023e80a74c2adeaae77fd22a53b798f0a7ca2c7b67374de35192140 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:14:34,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:14:34,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:14:34,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:14:34,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:14:34,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:14:34,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:14:34,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:14:34,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:14:34,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:14:34,134 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:14:34,134 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:14:34,135 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:14:34,135 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:14:34,136 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:14:34,136 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:14:34,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:14:34,138 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:14:34,139 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:14:34,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:14:34,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:14:34,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:14:34,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:14:34,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:14:34,142 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:14:34,142 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:14:34,143 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:14:34,143 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:14:34,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:14:34,144 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:14:34,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:14:34,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:14:34,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:14:34,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:14:34,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:14:34,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:14:34,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:14:34,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:14:34,148 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:14:34,149 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:14:34,149 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:14:34,149 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:14:34,150 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:14:34,150 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:14:34,150 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_8a15134a-dee1-4d39-a442-10fda4993c29/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83604eaba023e80a74c2adeaae77fd22a53b798f0a7ca2c7b67374de35192140 [2023-12-02 13:14:34,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:14:34,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:14:34,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:14:34,445 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:14:34,446 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:14:34,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.i [2023-12-02 13:14:37,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:14:37,462 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:14:37,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.i [2023-12-02 13:14:37,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/data/425b3cc2d/057d91a6b8e9461bba9f3627f9b2af99/FLAG36896f756 [2023-12-02 13:14:37,488 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/data/425b3cc2d/057d91a6b8e9461bba9f3627f9b2af99 [2023-12-02 13:14:37,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:14:37,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:14:37,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:14:37,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:14:37,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:14:37,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589a297f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37, skipping insertion in model container [2023-12-02 13:14:37,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:14:37,690 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_8a15134a-dee1-4d39-a442-10fda4993c29/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.i[915,928] [2023-12-02 13:14:37,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:14:37,767 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:14:37,780 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_8a15134a-dee1-4d39-a442-10fda4993c29/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-54.i[915,928] [2023-12-02 13:14:37,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:14:37,831 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:14:37,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37 WrapperNode [2023-12-02 13:14:37,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:14:37,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:14:37,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:14:37,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:14:37,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,854 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,884 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2023-12-02 13:14:37,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:14:37,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:14:37,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:14:37,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:14:37,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:14:37,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:14:37,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:14:37,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:14:37,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (1/1) ... [2023-12-02 13:14:37,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:14:37,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:14:37,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:14:37,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:14:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:14:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:14:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:14:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:14:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:14:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:14:38,103 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:14:38,106 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:14:42,998 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:14:43,056 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:14:43,056 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:14:43,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:43 BoogieIcfgContainer [2023-12-02 13:14:43,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:14:43,059 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:14:43,059 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:14:43,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:14:43,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:14:37" (1/3) ... [2023-12-02 13:14:43,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2243c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:43, skipping insertion in model container [2023-12-02 13:14:43,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:37" (2/3) ... [2023-12-02 13:14:43,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2243c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:43, skipping insertion in model container [2023-12-02 13:14:43,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:43" (3/3) ... [2023-12-02 13:14:43,064 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-54.i [2023-12-02 13:14:43,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:14:43,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:14:43,123 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:14:43,129 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;@28e19580, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:14:43,129 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:14:43,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 43 states have (on average 1.441860465116279) internal successors, (62), 44 states have internal predecessors, (62), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 13:14:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 13:14:43,147 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:14:43,148 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:43,149 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:14:43,153 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:14:43,154 INFO L85 PathProgramCache]: Analyzing trace with hash 376376707, now seen corresponding path program 1 times [2023-12-02 13:14:43,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:14:43,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1790617491] [2023-12-02 13:14:43,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:43,166 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 13:14:43,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:14:43,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:43,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:14:43,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:14:43,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:14:43,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 986 trivial. 0 not checked. [2023-12-02 13:14:43,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:14:43,698 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:14:43,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1790617491] [2023-12-02 13:14:43,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1790617491] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:14:43,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:14:43,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:14:43,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382869032] [2023-12-02 13:14:43,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:14:43,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:14:43,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:14:43,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:14:43,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:14:43,738 INFO L87 Difference]: Start difference. First operand has 72 states, 43 states have (on average 1.441860465116279) internal successors, (62), 44 states have internal predecessors, (62), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 13:14:45,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:45,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:14:45,391 INFO L93 Difference]: Finished difference Result 141 states and 252 transitions. [2023-12-02 13:14:45,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:14:45,418 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2023-12-02 13:14:45,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:14:45,424 INFO L225 Difference]: With dead ends: 141 [2023-12-02 13:14:45,424 INFO L226 Difference]: Without dead ends: 70 [2023-12-02 13:14:45,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 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 13:14:45,430 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-02 13:14:45,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-02 13:14:45,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-12-02 13:14:45,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-12-02 13:14:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 42 states have internal predecessors, (56), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 13:14:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 108 transitions. [2023-12-02 13:14:45,477 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 108 transitions. Word has length 164 [2023-12-02 13:14:45,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:14:45,478 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 108 transitions. [2023-12-02 13:14:45,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-12-02 13:14:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-12-02 13:14:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 13:14:45,483 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:14:45,483 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:45,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:45,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:45,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:14:45,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:14:45,685 INFO L85 PathProgramCache]: Analyzing trace with hash 717592637, now seen corresponding path program 1 times [2023-12-02 13:14:45,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:14:45,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999620381] [2023-12-02 13:14:45,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:45,687 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 13:14:45,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:14:45,688 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:45,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:14:46,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 13:14:46,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:14:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 13:14:46,196 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:14:46,196 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:14:46,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999620381] [2023-12-02 13:14:46,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [999620381] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:14:46,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:14:46,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:14:46,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311099687] [2023-12-02 13:14:46,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:14:46,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 13:14:46,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:14:46,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 13:14:46,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 13:14:46,201 INFO L87 Difference]: Start difference. First operand 70 states and 108 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 13:14:48,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:48,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:14:48,387 INFO L93 Difference]: Finished difference Result 177 states and 272 transitions. [2023-12-02 13:14:48,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 13:14:48,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-12-02 13:14:48,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:14:48,392 INFO L225 Difference]: With dead ends: 177 [2023-12-02 13:14:48,392 INFO L226 Difference]: Without dead ends: 108 [2023-12-02 13:14:48,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 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 13:14:48,395 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 87 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 13:14:48,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 225 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 13:14:48,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-12-02 13:14:48,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2023-12-02 13:14:48,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 58 states have internal predecessors, (68), 47 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-12-02 13:14:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 162 transitions. [2023-12-02 13:14:48,418 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 162 transitions. Word has length 164 [2023-12-02 13:14:48,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:14:48,419 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 162 transitions. [2023-12-02 13:14:48,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 13:14:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2023-12-02 13:14:48,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 13:14:48,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:14:48,423 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:48,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:48,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:48,628 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:14:48,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:14:48,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1618038021, now seen corresponding path program 1 times [2023-12-02 13:14:48,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:14:48,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835315328] [2023-12-02 13:14:48,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:48,630 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 13:14:48,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:14:48,632 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:48,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:14:49,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:14:49,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:14:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-12-02 13:14:49,705 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:14:49,705 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:14:49,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835315328] [2023-12-02 13:14:49,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835315328] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:14:49,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:14:49,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 13:14:49,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456430003] [2023-12-02 13:14:49,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:14:49,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:14:49,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:14:49,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:14:49,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:14:49,710 INFO L87 Difference]: Start difference. First operand 107 states and 162 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 13:14:52,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:54,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 13:14:54,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:14:54,567 INFO L93 Difference]: Finished difference Result 214 states and 317 transitions. [2023-12-02 13:14:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 13:14:54,596 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2023-12-02 13:14:54,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:14:54,598 INFO L225 Difference]: With dead ends: 214 [2023-12-02 13:14:54,598 INFO L226 Difference]: Without dead ends: 142 [2023-12-02 13:14:54,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:14:54,600 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 64 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 53 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-12-02 13:14:54,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 298 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-12-02 13:14:54,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-12-02 13:14:54,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 127. [2023-12-02 13:14:54,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 71 states have (on average 1.1971830985915493) internal successors, (85), 71 states have internal predecessors, (85), 52 states have call successors, (52), 3 states have call predecessors, (52), 3 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 13:14:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 189 transitions. [2023-12-02 13:14:54,633 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 189 transitions. Word has length 164 [2023-12-02 13:14:54,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:14:54,634 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 189 transitions. [2023-12-02 13:14:54,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-12-02 13:14:54,634 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 189 transitions. [2023-12-02 13:14:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 13:14:54,637 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:14:54,637 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:54,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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)] Forceful destruction successful, exit code 0 [2023-12-02 13:14:54,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:54,844 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:14:54,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:14:54,845 INFO L85 PathProgramCache]: Analyzing trace with hash 750973431, now seen corresponding path program 1 times [2023-12-02 13:14:54,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:14:54,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844819606] [2023-12-02 13:14:54,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:14:54,846 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 13:14:54,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:14:54,847 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:54,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a15134a-dee1-4d39-a442-10fda4993c29/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 13:14:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:14:55,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 13:14:55,454 INFO L285 TraceCheckSpWp]: Computing forward predicates...