./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E --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 02302d5e48bc44c6f124efc94463f9a2f0c0da50c9e87269aada61f7681b5a41 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:58:20,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:58:20,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:58:20,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:58:20,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:58:20,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:58:20,202 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:58:20,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:58:20,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:58:20,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:58:20,203 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:58:20,204 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:58:20,204 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:58:20,204 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:58:20,205 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:58:20,205 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:58:20,206 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:58:20,206 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:58:20,206 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:58:20,206 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:58:20,206 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:58:20,207 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:58:20,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:58:20,208 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:58:20,208 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:58:20,208 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:58:20,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:58:20,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:58:20,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:58:20,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:58:20,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:58:20,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:58:20,209 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:58:20,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:58:20,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:58:20,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:58:20,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:58:20,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:58:20,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:58:20,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:58:20,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:58:20,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:58:20,212 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:58:20,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:58:20,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:58:20,212 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:58:20,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:58:20,213 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E 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 -> 02302d5e48bc44c6f124efc94463f9a2f0c0da50c9e87269aada61f7681b5a41 [2024-11-14 03:58:20,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:58:20,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:58:20,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:58:20,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:58:20,611 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:58:20,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i Unable to find full path for "g++" [2024-11-14 03:58:22,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:58:23,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:58:23,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i [2024-11-14 03:58:23,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/data/80cdcfbde/5808ec2df3ec47ff9e23fd5153cecba9/FLAGb5c49ab32 [2024-11-14 03:58:23,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/data/80cdcfbde/5808ec2df3ec47ff9e23fd5153cecba9 [2024-11-14 03:58:23,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:58:23,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:58:23,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:58:23,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:58:23,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:58:23,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c97a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23, skipping insertion in model container [2024-11-14 03:58:23,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:58:23,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i[918,931] [2024-11-14 03:58:23,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:58:23,439 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:58:23,456 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i[918,931] [2024-11-14 03:58:23,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:58:23,566 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:58:23,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23 WrapperNode [2024-11-14 03:58:23,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:58:23,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:58:23,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:58:23,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:58:23,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,661 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2024-11-14 03:58:23,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:58:23,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:58:23,666 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:58:23,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:58:23,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,684 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,688 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:58:23,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:58:23,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:58:23,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:58:23,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (1/1) ... [2024-11-14 03:58:23,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:58:23,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:58:23,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:58:23,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:58:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:58:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:58:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:58:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:58:23,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:58:23,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:58:23,960 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:58:23,962 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:58:24,462 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 03:58:24,462 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:58:24,797 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:58:24,799 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:58:24,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:58:24 BoogieIcfgContainer [2024-11-14 03:58:24,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:58:24,803 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:58:24,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:58:24,810 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:58:24,810 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:58:23" (1/3) ... [2024-11-14 03:58:24,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210a06d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:58:24, skipping insertion in model container [2024-11-14 03:58:24,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:23" (2/3) ... [2024-11-14 03:58:24,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210a06d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:58:24, skipping insertion in model container [2024-11-14 03:58:24,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:58:24" (3/3) ... [2024-11-14 03:58:24,814 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i [2024-11-14 03:58:24,832 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:58:24,834 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:58:24,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:58:24,921 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51565390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:58:24,921 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:58:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 03:58:24,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 03:58:24,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:58:24,939 INFO L215 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:58:24,939 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:58:24,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:58:24,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1774290755, now seen corresponding path program 1 times [2024-11-14 03:58:24,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:58:24,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7611627] [2024-11-14 03:58:24,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:58:24,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:58:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 03:58:25,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1216114751] [2024-11-14 03:58:25,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:58:25,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 03:58:25,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:58:25,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 03:58:25,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 03:58:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:58:26,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 03:58:26,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 03:58:26,417 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 03:58:26,420 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 03:58:26,421 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 03:58:26,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 03:58:26,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 03:58:26,627 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 03:58:26,741 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:58:26,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:58:26 BoogieIcfgContainer [2024-11-14 03:58:26,745 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:58:26,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:58:26,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:58:26,746 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:58:26,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:58:24" (3/4) ... [2024-11-14 03:58:26,749 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 03:58:26,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:58:26,751 INFO L158 Benchmark]: Toolchain (without parser) took 3676.41ms. Allocated memory is still 167.8MB. Free memory was 125.3MB in the beginning and 101.3MB in the end (delta: 24.0MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-11-14 03:58:26,752 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:58:26,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.49ms. Allocated memory is still 167.8MB. Free memory was 125.3MB in the beginning and 109.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 03:58:26,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.29ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 106.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:58:26,753 INFO L158 Benchmark]: Boogie Preprocessor took 71.09ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 104.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:58:26,753 INFO L158 Benchmark]: RCFGBuilder took 1061.99ms. Allocated memory is still 167.8MB. Free memory was 104.9MB in the beginning and 102.6MB in the end (delta: 2.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. [2024-11-14 03:58:26,754 INFO L158 Benchmark]: TraceAbstraction took 1941.96ms. Allocated memory is still 167.8MB. Free memory was 101.9MB in the beginning and 101.3MB in the end (delta: 606.8kB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-11-14 03:58:26,754 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 167.8MB. Free memory was 101.3MB in the beginning and 101.3MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:58:26,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.49ms. Allocated memory is still 167.8MB. Free memory was 125.3MB in the beginning and 109.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.29ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 106.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 71.09ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 104.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1061.99ms. Allocated memory is still 167.8MB. Free memory was 104.9MB in the beginning and 102.6MB in the end (delta: 2.3MB). Peak memory consumption was 55.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1941.96ms. Allocated memory is still 167.8MB. Free memory was 101.9MB in the beginning and 101.3MB in the end (delta: 606.8kB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 167.8MB. Free memory was 101.3MB in the beginning and 101.3MB in the end (delta: 24.0kB). 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 someBinaryArithmeticDOUBLEoperation at line 79, overapproximation of someBinaryFLOATComparisonOperation at line 150, overapproximation of someBinaryFLOATComparisonOperation at line 193, overapproximation of someBinaryFLOATComparisonOperation at line 148, overapproximation of someUnaryDOUBLEoperation at line 79, overapproximation of bitwiseAnd at line 108, overapproximation of someBinaryDOUBLEComparisonOperation at line 143, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 144, overapproximation of someBinaryDOUBLEComparisonOperation at line 158, overapproximation of someBinaryDOUBLEComparisonOperation at line 146, overapproximation of someBinaryDOUBLEComparisonOperation at line 156. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 0; [L23] signed long int var_1_5 = 2; [L24] signed short int var_1_6 = -10; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned long int var_1_9 = 3470417420; [L28] unsigned char var_1_10 = 0; [L29] double var_1_12 = 25.6; [L30] double var_1_13 = 1.75; [L31] float var_1_14 = 5.4; [L32] float var_1_15 = 127.5; [L33] float var_1_16 = 3.5; [L34] signed long int var_1_17 = 64; [L35] double var_1_19 = 0.0; [L36] unsigned short int var_1_20 = 10; [L37] double var_1_21 = 4.75; [L38] double var_1_22 = 4.6; [L39] unsigned char var_1_23 = 0; [L40] signed long int var_1_28 = 8; [L41] signed long int var_1_30 = 5; [L42] signed long int var_1_31 = 100; [L43] float var_1_34 = 31.8; [L44] unsigned char var_1_35 = 0; [L45] unsigned char var_1_36 = 0; [L46] unsigned long int var_1_37 = 1; [L47] signed long int var_1_38 = 500; [L48] unsigned long int var_1_39 = 2882328056; [L49] unsigned short int var_1_40 = 5; [L50] unsigned short int var_1_41 = 2; [L51] unsigned short int var_1_42 = 50; [L52] unsigned short int var_1_43 = 4; [L53] unsigned char var_1_44 = 0; [L54] signed long int last_1_var_1_1 = 0; [L55] signed long int last_1_var_1_5 = 2; [L56] signed short int last_1_var_1_6 = -10; [L57] unsigned long int last_1_var_1_7 = 1; [L58] float last_1_var_1_14 = 5.4; [L59] signed long int last_1_var_1_17 = 64; [L197] isInitial = 1 [L198] FCALL initially() [L199] COND TRUE 1 [L200] CALL updateLastVariables() [L185] last_1_var_1_1 = var_1_1 [L186] last_1_var_1_5 = var_1_5 [L187] last_1_var_1_6 = var_1_6 [L188] last_1_var_1_7 = var_1_7 [L189] last_1_var_1_14 = var_1_14 [L190] last_1_var_1_17 = var_1_17 [L200] RET updateLastVariables() [L201] CALL updateVariables() [L136] var_1_9 = __VERIFIER_nondet_ulong() [L137] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L138] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=0, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L139] var_1_10 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L141] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_12=128/5, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L142] var_1_12 = __VERIFIER_nondet_double() [L143] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L144] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_13=7/4, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L145] var_1_13 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_15=255/2, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L147] var_1_15 = __VERIFIER_nondet_float() [L148] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_16=7/2, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L149] var_1_16 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=10, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L151] var_1_20 = __VERIFIER_nondet_ushort() [L152] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L153] CALL assume_abort_if_not(var_1_20 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_20 <= 65535) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L154] CALL assume_abort_if_not(var_1_20 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_20 != 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_21=19/4, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L155] var_1_21 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_22=23/5, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L157] var_1_22 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=5, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L159] var_1_30 = __VERIFIER_nondet_long() [L160] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L161] CALL assume_abort_if_not(var_1_30 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_30 <= 2147483646) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=100, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L162] var_1_31 = __VERIFIER_nondet_long() [L163] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L164] CALL assume_abort_if_not(var_1_31 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_31 <= 2147483646) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L165] var_1_36 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_36 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_36 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L167] CALL assume_abort_if_not(var_1_36 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_36 <= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=500, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L168] var_1_38 = __VERIFIER_nondet_long() [L169] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L170] CALL assume_abort_if_not(var_1_38 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_38 <= 1073741823) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=2882328056, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L171] var_1_39 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_39 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_39 >= 2147483647) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L173] CALL assume_abort_if_not(var_1_39 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_39 <= 4294967294) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=2, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L174] var_1_41 = __VERIFIER_nondet_ushort() [L175] CALL assume_abort_if_not(var_1_41 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_41 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L176] CALL assume_abort_if_not(var_1_41 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=0, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_41 <= 32767) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=0, var_1_42=50, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L177] var_1_42 = __VERIFIER_nondet_ushort() [L178] CALL assume_abort_if_not(var_1_42 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=0, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_42 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=0, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L179] CALL assume_abort_if_not(var_1_42 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=0, var_1_42=0, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_42 <= 16384) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=0, var_1_42=0, var_1_43=4, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L180] var_1_43 = __VERIFIER_nondet_ushort() [L181] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=0, var_1_42=0, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=0, var_1_42=0, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L182] CALL assume_abort_if_not(var_1_43 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=0, var_1_42=0, var_1_43=0, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_43 <= 16383) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=27/5, var_1_17=64, var_1_19=0, var_1_1=0, var_1_20=533, var_1_23=0, var_1_28=8, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=1, var_1_38=0, var_1_39=6442450943, var_1_40=5, var_1_41=0, var_1_42=0, var_1_43=0, var_1_44=0, var_1_5=2, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L201] RET updateVariables() [L202] CALL step() [L63] COND FALSE !(last_1_var_1_7 > (- last_1_var_1_5)) [L66] var_1_1 = (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16))) [L68] var_1_40 = (var_1_41 + (var_1_42 + var_1_43)) [L69] COND TRUE ((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16))) [L70] var_1_17 = ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))) [L74] signed long int stepLocal_1 = - last_1_var_1_1; [L75] COND FALSE !(last_1_var_1_17 < stepLocal_1) [L78] COND TRUE (32 / var_1_20) > -500 [L79] var_1_19 = ((((var_1_21 - var_1_22) < 0 ) ? -(var_1_21 - var_1_22) : (var_1_21 - var_1_22))) [L81] COND TRUE \read(var_1_10) [L82] COND TRUE var_1_10 && (1 >= var_1_17) [L83] COND TRUE \read(var_1_10) [L84] var_1_23 = var_1_10 [L88] COND TRUE (((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6))) - (var_1_20 + var_1_38)) <= var_1_1 [L89] var_1_37 = ((((var_1_30) > (((((var_1_38) < ((var_1_39 - var_1_31))) ? (var_1_38) : ((var_1_39 - var_1_31)))))) ? (var_1_30) : (((((var_1_38) < ((var_1_39 - var_1_31))) ? (var_1_38) : ((var_1_39 - var_1_31))))))) [L91] signed long int stepLocal_3 = var_1_1; [L92] signed long int stepLocal_2 = var_1_17; [L93] COND FALSE !(var_1_17 > stepLocal_2) [L98] unsigned long int stepLocal_5 = var_1_9; [L99] COND TRUE (var_1_12 * last_1_var_1_14) > var_1_13 [L100] COND FALSE !(stepLocal_5 < var_1_7) [L103] var_1_14 = var_1_15 [L108] EXPR var_1_20 & var_1_1 [L108] COND TRUE (var_1_20 & var_1_1) >= var_1_1 [L109] var_1_28 = (((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) < 0 ) ? -((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) : ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))))) [L115] signed long int stepLocal_0 = var_1_17; [L116] COND TRUE var_1_6 < stepLocal_0 [L117] var_1_5 = ((var_1_17 - var_1_6) + var_1_6) [L119] unsigned long int stepLocal_4 = var_1_9 - var_1_6; [L120] COND TRUE (- 8u) >= stepLocal_4 [L121] var_1_8 = (! var_1_10) [L125] COND FALSE !(var_1_31 > var_1_1) [L128] EXPR var_1_20 & -100 [L128] COND FALSE !((var_1_20 & -100) <= var_1_6) [L131] COND TRUE var_1_7 <= var_1_6 [L132] var_1_44 = ((1 >= var_1_17) && var_1_36) [L202] RET step() [L203] CALL, EXPR property() [L193-L194] return (((((((last_1_var_1_7 > (- last_1_var_1_5)) ? (var_1_1 == ((signed long int) ((((last_1_var_1_5) > ((last_1_var_1_7 + last_1_var_1_6))) ? (last_1_var_1_5) : ((last_1_var_1_7 + last_1_var_1_6)))))) : (var_1_1 == ((signed long int) (((((1 - last_1_var_1_7)) < (16)) ? ((1 - last_1_var_1_7)) : (16)))))) && ((var_1_6 < var_1_17) ? (var_1_5 == ((signed long int) ((var_1_17 - var_1_6) + var_1_6))) : 1)) && ((last_1_var_1_17 < (- last_1_var_1_1)) ? (var_1_6 == ((signed short int) (32 - last_1_var_1_6))) : 1)) && ((var_1_17 > var_1_17) ? ((var_1_6 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : 1) : 1)) && (((- 8u) >= (var_1_9 - var_1_6)) ? (var_1_8 == ((unsigned char) (! var_1_10))) : (var_1_8 == ((unsigned char) (((var_1_14 / var_1_12) >= var_1_14) || var_1_10))))) && (((var_1_12 * last_1_var_1_14) > var_1_13) ? ((var_1_9 < var_1_7) ? (var_1_14 == ((float) var_1_15)) : (var_1_14 == ((float) var_1_15))) : (var_1_14 == ((float) var_1_16)))) && ((((last_1_var_1_14 + last_1_var_1_14) / 9.2) < ((((last_1_var_1_14) < (var_1_16)) ? (last_1_var_1_14) : (var_1_16)))) ? (var_1_17 == ((signed long int) ((((last_1_var_1_1) > (last_1_var_1_6)) ? (last_1_var_1_1) : (last_1_var_1_6))))) : (var_1_17 == ((signed long int) last_1_var_1_6))) ; [L203] RET, EXPR property() [L203] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=0, var_1_19=3, var_1_1=0, var_1_20=533, var_1_22=0, var_1_23=1, var_1_28=533, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=6442450943, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=0, var_1_44=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=27/5, last_1_var_1_17=64, last_1_var_1_1=0, last_1_var_1_5=2, last_1_var_1_6=-10, last_1_var_1_7=1, var_1_10=1, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=0, var_1_19=3, var_1_1=0, var_1_20=533, var_1_22=0, var_1_23=1, var_1_28=533, var_1_30=0, var_1_31=0, var_1_34=159/5, var_1_35=0, var_1_36=0, var_1_37=0, var_1_38=0, var_1_39=6442450943, var_1_40=0, var_1_41=0, var_1_42=0, var_1_43=0, var_1_44=0, var_1_5=0, var_1_6=-10, var_1_7=1, var_1_8=0, var_1_9=6442450943] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 30, 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=56occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 03:58:26,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E --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 02302d5e48bc44c6f124efc94463f9a2f0c0da50c9e87269aada61f7681b5a41 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:58:29,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:58:29,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 03:58:29,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:58:29,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:58:30,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:58:30,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:58:30,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:58:30,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:58:30,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:58:30,065 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:58:30,066 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:58:30,066 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:58:30,067 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:58:30,067 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:58:30,067 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:58:30,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:58:30,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:58:30,069 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:58:30,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:58:30,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:58:30,069 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:58:30,069 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:58:30,069 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:58:30,069 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 03:58:30,070 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 03:58:30,070 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:58:30,070 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 03:58:30,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:58:30,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:58:30,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:58:30,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:58:30,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 03:58:30,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:58:30,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:58:30,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:58:30,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:58:30,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:58:30,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:58:30,073 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 03:58:30,073 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 03:58:30,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:58:30,074 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:58:30,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E 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 -> 02302d5e48bc44c6f124efc94463f9a2f0c0da50c9e87269aada61f7681b5a41 [2024-11-14 03:58:30,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:58:30,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:58:30,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:58:30,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:58:30,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:58:30,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i Unable to find full path for "g++" [2024-11-14 03:58:32,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:58:32,948 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:58:32,953 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i [2024-11-14 03:58:32,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/data/730058c7a/996c6e07611d4e5b9181ba69e0de2eae/FLAG6368d9004 [2024-11-14 03:58:32,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/data/730058c7a/996c6e07611d4e5b9181ba69e0de2eae [2024-11-14 03:58:32,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:58:32,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:58:32,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:58:32,999 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:58:33,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:58:33,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:58:32" (1/1) ... [2024-11-14 03:58:33,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d07110a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33, skipping insertion in model container [2024-11-14 03:58:33,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:58:32" (1/1) ... [2024-11-14 03:58:33,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:58:33,209 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i[918,931] [2024-11-14 03:58:33,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:58:33,321 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:58:33,334 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i[918,931] [2024-11-14 03:58:33,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:58:33,401 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:58:33,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33 WrapperNode [2024-11-14 03:58:33,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:58:33,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:58:33,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:58:33,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:58:33,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,451 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204 [2024-11-14 03:58:33,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:58:33,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:58:33,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:58:33,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:58:33,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,501 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:58:33,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:58:33,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:58:33,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:58:33,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (1/1) ... [2024-11-14 03:58:33,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:58:33,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:58:33,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:58:33,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:58:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:58:33,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 03:58:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:58:33,590 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:58:33,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:58:33,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:58:33,744 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:58:33,747 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:58:45,421 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-14 03:58:45,422 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:58:45,433 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:58:45,433 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:58:45,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:58:45 BoogieIcfgContainer [2024-11-14 03:58:45,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:58:45,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:58:45,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:58:45,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:58:45,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:58:32" (1/3) ... [2024-11-14 03:58:45,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4f1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:58:45, skipping insertion in model container [2024-11-14 03:58:45,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:58:33" (2/3) ... [2024-11-14 03:58:45,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4f1f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:58:45, skipping insertion in model container [2024-11-14 03:58:45,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:58:45" (3/3) ... [2024-11-14 03:58:45,443 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i [2024-11-14 03:58:45,458 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:58:45,460 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-0.i that has 2 procedures, 91 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:58:45,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:58:45,551 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@97b28a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:58:45,551 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:58:45,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 59 states have internal predecessors, (82), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 03:58:45,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-14 03:58:45,570 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:58:45,571 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:58:45,571 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:58:45,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:58:45,576 INFO L85 PathProgramCache]: Analyzing trace with hash -886005125, now seen corresponding path program 1 times [2024-11-14 03:58:45,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:58:45,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [594198815] [2024-11-14 03:58:45,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:58:45,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:58:45,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:58:45,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:58:45,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-14 03:58:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:58:48,043 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 03:58:48,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:59:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 03:59:02,929 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:59:02,930 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:59:02,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [594198815] [2024-11-14 03:59:02,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [594198815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:02,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:59:02,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:59:02,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115050342] [2024-11-14 03:59:02,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:02,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:59:02,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:59:02,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:59:02,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:59:02,960 INFO L87 Difference]: Start difference. First operand has 91 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 59 states have internal predecessors, (82), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 03:59:06,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:59:08,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:59:10,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:59:13,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:59:15,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:59:15,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:15,212 INFO L93 Difference]: Finished difference Result 278 states and 505 transitions. [2024-11-14 03:59:15,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:59:15,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 196 [2024-11-14 03:59:15,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:15,444 INFO L225 Difference]: With dead ends: 278 [2024-11-14 03:59:15,444 INFO L226 Difference]: Without dead ends: 190 [2024-11-14 03:59:15,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:59:15,450 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 130 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 61 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:15,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 392 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 16 Invalid, 5 Unknown, 0 Unchecked, 12.0s Time] [2024-11-14 03:59:15,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-14 03:59:15,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 169. [2024-11-14 03:59:15,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 106 states have (on average 1.349056603773585) internal successors, (143), 106 states have internal predecessors, (143), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-14 03:59:15,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 263 transitions. [2024-11-14 03:59:15,542 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 263 transitions. Word has length 196 [2024-11-14 03:59:15,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:15,543 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 263 transitions. [2024-11-14 03:59:15,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 03:59:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 263 transitions. [2024-11-14 03:59:15,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-14 03:59:15,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:15,548 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:15,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 03:59:15,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:59:15,749 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:15,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:15,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1020018631, now seen corresponding path program 1 times [2024-11-14 03:59:15,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:59:15,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496584207] [2024-11-14 03:59:15,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:15,750 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:59:15,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:59:15,752 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:59:15,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-14 03:59:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:17,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:59:17,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:59:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 249 proven. 81 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-14 03:59:24,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 03:59:29,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 03:59:29,870 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 03:59:29,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496584207] [2024-11-14 03:59:29,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496584207] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 03:59:29,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1934141599] [2024-11-14 03:59:29,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:29,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 03:59:29,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 03:59:29,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 03:59:29,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 03:59:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:33,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 03:59:33,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:59:41,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 03:59:41,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 03:59:41,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1934141599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:59:41,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 03:59:41,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5] total 8 [2024-11-14 03:59:41,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890599211] [2024-11-14 03:59:41,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:59:41,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:59:41,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 03:59:41,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:59:41,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:59:41,240 INFO L87 Difference]: Start difference. First operand 169 states and 263 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 03:59:44,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:59:46,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 03:59:46,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:59:46,642 INFO L93 Difference]: Finished difference Result 501 states and 783 transitions. [2024-11-14 03:59:46,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:59:46,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 196 [2024-11-14 03:59:46,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:59:46,648 INFO L225 Difference]: With dead ends: 501 [2024-11-14 03:59:46,649 INFO L226 Difference]: Without dead ends: 335 [2024-11-14 03:59:46,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 578 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 03:59:46,651 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 29 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:59:46,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 238 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2024-11-14 03:59:46,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-14 03:59:46,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 333. [2024-11-14 03:59:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 208 states have (on average 1.3461538461538463) internal successors, (280), 208 states have internal predecessors, (280), 120 states have call successors, (120), 4 states have call predecessors, (120), 4 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-14 03:59:46,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 520 transitions. [2024-11-14 03:59:46,738 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 520 transitions. Word has length 196 [2024-11-14 03:59:46,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:59:46,739 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 520 transitions. [2024-11-14 03:59:46,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 03:59:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 520 transitions. [2024-11-14 03:59:46,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-14 03:59:46,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:59:46,743 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:59:46,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 03:59:46,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-14 03:59:47,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:59:47,144 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:59:47,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:59:47,145 INFO L85 PathProgramCache]: Analyzing trace with hash -962760329, now seen corresponding path program 1 times [2024-11-14 03:59:47,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 03:59:47,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103491352] [2024-11-14 03:59:47,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:59:47,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 03:59:47,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 03:59:47,150 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 03:59:47,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-14 03:59:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:59:49,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 03:59:49,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 03:59:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 249 proven. 81 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-14 03:59:55,656 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:00:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 04:00:00,993 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:00:00,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103491352] [2024-11-14 04:00:00,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [103491352] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:00:00,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1282548073] [2024-11-14 04:00:00,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:00,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:00:00,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:00:00,996 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:00:00,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 04:00:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:05,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:00:05,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 249 proven. 81 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-14 04:00:11,716 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:00:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 04:00:16,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1282548073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:00:16,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381104242] [2024-11-14 04:00:16,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:16,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:00:16,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:00:16,585 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:00:16,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 04:00:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:18,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-14 04:00:18,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:00:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 249 proven. 81 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-14 04:00:24,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:00:29,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 04:00:29,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381104242] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:00:29,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:00:29,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2024-11-14 04:00:29,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470758184] [2024-11-14 04:00:29,174 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:00:29,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 04:00:29,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:00:29,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 04:00:29,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 04:00:29,177 INFO L87 Difference]: Start difference. First operand 333 states and 520 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2024-11-14 04:00:35,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:00:37,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:00:39,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:00:42,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:00:44,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:00:46,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:00:46,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:00:46,937 INFO L93 Difference]: Finished difference Result 694 states and 1066 transitions. [2024-11-14 04:00:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 04:00:46,938 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 196 [2024-11-14 04:00:46,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:00:46,944 INFO L225 Difference]: With dead ends: 694 [2024-11-14 04:00:46,946 INFO L226 Difference]: Without dead ends: 364 [2024-11-14 04:00:46,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1174 GetRequests, 1162 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-14 04:00:46,949 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 87 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 13 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:00:46,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 220 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 185 Invalid, 6 Unknown, 0 Unchecked, 17.1s Time] [2024-11-14 04:00:46,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-14 04:00:47,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 353. [2024-11-14 04:00:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 222 states have (on average 1.2702702702702702) internal successors, (282), 223 states have internal predecessors, (282), 122 states have call successors, (122), 8 states have call predecessors, (122), 8 states have return successors, (122), 121 states have call predecessors, (122), 122 states have call successors, (122) [2024-11-14 04:00:47,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 526 transitions. [2024-11-14 04:00:47,012 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 526 transitions. Word has length 196 [2024-11-14 04:00:47,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:00:47,012 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 526 transitions. [2024-11-14 04:00:47,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 2 states have call successors, (57), 2 states have call predecessors, (57), 4 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2024-11-14 04:00:47,013 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 526 transitions. [2024-11-14 04:00:47,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-14 04:00:47,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:00:47,016 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:00:47,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-14 04:00:47,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 04:00:47,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 04:00:47,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:00:47,617 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:00:47,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:00:47,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1473902671, now seen corresponding path program 1 times [2024-11-14 04:00:47,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:00:47,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884424802] [2024-11-14 04:00:47,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:00:47,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:00:47,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:00:47,622 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:00:47,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 04:00:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:00:49,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 04:00:49,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:01:11,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 249 proven. 81 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-14 04:01:11,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:01:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 04:01:23,609 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:01:23,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884424802] [2024-11-14 04:01:23,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884424802] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:01:23,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [767029160] [2024-11-14 04:01:23,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:01:23,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:01:23,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:01:23,612 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:01:23,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-14 04:01:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:01:27,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:01:27,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:01:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 04:01:42,117 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:01:42,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [767029160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:01:42,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:01:42,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 8] total 15 [2024-11-14 04:01:42,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494487848] [2024-11-14 04:01:42,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:01:42,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:01:42,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:01:42,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:01:42,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-14 04:01:42,119 INFO L87 Difference]: Start difference. First operand 353 states and 526 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:01:44,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:46,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:48,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:51,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:53,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:55,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:01:57,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:01,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:03,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:06,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:08,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:10,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:12,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:15,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:17,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:21,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:23,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:25,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:27,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:29,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:31,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:34,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:36,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:38,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:40,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:42,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:44,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:46,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:49,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:51,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:53,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:02:53,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:02:53,111 INFO L93 Difference]: Finished difference Result 1183 states and 1752 transitions. [2024-11-14 04:02:53,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 04:02:53,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 197 [2024-11-14 04:02:53,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:02:53,204 INFO L225 Difference]: With dead ends: 1183 [2024-11-14 04:02:53,204 INFO L226 Difference]: Without dead ends: 837 [2024-11-14 04:02:53,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 574 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-14 04:02:53,207 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 238 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 65 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.8s IncrementalHoareTripleChecker+Time [2024-11-14 04:02:53,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 629 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 139 Invalid, 31 Unknown, 0 Unchecked, 69.8s Time] [2024-11-14 04:02:53,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-14 04:02:53,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 731. [2024-11-14 04:02:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 731 states, 438 states have (on average 1.2328767123287672) internal successors, (540), 442 states have internal predecessors, (540), 270 states have call successors, (270), 22 states have call predecessors, (270), 22 states have return successors, (270), 266 states have call predecessors, (270), 270 states have call successors, (270) [2024-11-14 04:02:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1080 transitions. [2024-11-14 04:02:53,377 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1080 transitions. Word has length 197 [2024-11-14 04:02:53,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:02:53,378 INFO L471 AbstractCegarLoop]: Abstraction has 731 states and 1080 transitions. [2024-11-14 04:02:53,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:02:53,378 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1080 transitions. [2024-11-14 04:02:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-14 04:02:53,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:02:53,382 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:02:53,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-14 04:02:53,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-14 04:02:53,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:02:53,784 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:02:53,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:02:53,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1015626291, now seen corresponding path program 1 times [2024-11-14 04:02:53,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:02:53,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157480607] [2024-11-14 04:02:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:02:53,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:02:53,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:02:53,790 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:02:53,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-14 04:02:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:02:56,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-14 04:02:56,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:03:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 249 proven. 81 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2024-11-14 04:03:13,387 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:03:23,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 04:03:23,290 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:03:23,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157480607] [2024-11-14 04:03:23,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157480607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:03:23,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [328491942] [2024-11-14 04:03:23,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:03:23,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:03:23,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:03:23,293 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:03:23,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-14 04:03:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:03:26,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 04:03:26,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:03:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 04:03:35,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:03:35,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [328491942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:03:35,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 04:03:35,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 8] total 15 [2024-11-14 04:03:35,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397386765] [2024-11-14 04:03:35,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:03:35,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 04:03:35,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:03:35,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 04:03:35,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-14 04:03:35,859 INFO L87 Difference]: Start difference. First operand 731 states and 1080 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:03:38,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:40,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:42,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:45,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:47,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:52,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:55,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:03:57,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:00,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:02,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:04,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:06,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:08,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:10,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:12,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:14,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:16,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:18,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:24,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:26,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:28,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:30,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:32,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:34,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:37,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:39,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:41,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:43,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:46,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:48,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:50,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:52,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:54,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:57,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:04:59,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:05:01,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:05:03,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:05:05,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:05:07,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 04:05:07,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:05:07,487 INFO L93 Difference]: Finished difference Result 1491 states and 2199 transitions. [2024-11-14 04:05:07,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 04:05:07,634 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 197 [2024-11-14 04:05:07,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:05:07,646 INFO L225 Difference]: With dead ends: 1491 [2024-11-14 04:05:07,646 INFO L226 Difference]: Without dead ends: 1145 [2024-11-14 04:05:07,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 574 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:05:07,649 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 414 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 129 mSolverCounterUnsat, 39 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 39 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.6s IncrementalHoareTripleChecker+Time [2024-11-14 04:05:07,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 772 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 155 Invalid, 39 Unknown, 0 Unchecked, 89.6s Time] [2024-11-14 04:05:07,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2024-11-14 04:05:07,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 749. [2024-11-14 04:05:07,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 456 states have (on average 1.2390350877192982) internal successors, (565), 460 states have internal predecessors, (565), 270 states have call successors, (270), 22 states have call predecessors, (270), 22 states have return successors, (270), 266 states have call predecessors, (270), 270 states have call successors, (270) [2024-11-14 04:05:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1105 transitions. [2024-11-14 04:05:07,883 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1105 transitions. Word has length 197 [2024-11-14 04:05:07,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:05:07,884 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 1105 transitions. [2024-11-14 04:05:07,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 04:05:07,884 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1105 transitions. [2024-11-14 04:05:07,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-14 04:05:07,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:05:07,888 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 04:05:07,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-14 04:05:08,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-14 04:05:08,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:05:08,289 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:05:08,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:05:08,290 INFO L85 PathProgramCache]: Analyzing trace with hash -220915550, now seen corresponding path program 1 times [2024-11-14 04:05:08,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:05:08,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1162470982] [2024-11-14 04:05:08,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:05:08,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-14 04:05:08,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:05:08,294 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-14 04:05:08,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c638901d-226a-4a25-be7a-64eceed57192/bin/utaipan-verify-sOmjnqqW8E/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 (12)] Waiting until timeout for monitored process [2024-11-14 04:05:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:05:11,400 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-14 04:05:11,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:07:43,773 WARN L851 $PredicateComparison]: unable to prove that (and (fp.geq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 04:07:45,891 WARN L873 $PredicateComparison]: unable to prove that (and (fp.geq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-14 04:11:34,473 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-14 04:11:36,591 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~last_1_var_1_14~0 ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 27.0 5.0)))) (= (_ bv64 32) c_~last_1_var_1_17~0) (= c_~var_1_14~0 c_~var_1_16~0) (= (_ bv0 32) c_~var_1_1~0) (= (_ bv1 32) c_~last_1_var_1_7~0) (= (_ bv0 16) (bvadd (_ bv10 16) c_~last_1_var_1_6~0)) (fp.lt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.add c_currentRoundingMode c_~last_1_var_1_14~0 c_~last_1_var_1_14~0)) ((_ to_fp 11 53) c_currentRoundingMode (/ 46.0 5.0))) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_16~0)) (fp.leq c_~var_1_16~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (= c_~last_1_var_1_5~0 (_ bv2 32)) (= (_ bv0 16) (bvadd (_ bv10 16) c_~var_1_6~0)) (= (_ bv1 32) c_~var_1_7~0) (= (_ bv0 32) c_~last_1_var_1_1~0) (not (fp.gt (fp.mul c_currentRoundingMode c_~var_1_12~0 ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_14~0)) c_~var_1_13~0)) (= (_ bv0 32) c_~var_1_17~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true