./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.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_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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_1abe3fe2-db62-432c-9836-4653e53caf98/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 f4de244ba3b593cb6eaf3556b8fdd28c0a0ade3580babf520e164cbdcfa415ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:45:35,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:45:35,159 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:45:35,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:45:35,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:45:35,211 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:45:35,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:45:35,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:45:35,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:45:35,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:45:35,216 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:45:35,217 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:45:35,217 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:45:35,217 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:45:35,218 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:45:35,218 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:45:35,218 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:45:35,218 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:45:35,218 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:45:35,219 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:45:35,219 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:45:35,219 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:45:35,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:45:35,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:45:35,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:45:35,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:45:35,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:45:35,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:45:35,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:45:35,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:45:35,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:45:35,221 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:45:35,222 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:45:35,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:45:35,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:45:35,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:45:35,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:45:35,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:45:35,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:35,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:45:35,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:45:35,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:45:35,224 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:45:35,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:45:35,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:45:35,225 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:45:35,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:45:35,225 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_1abe3fe2-db62-432c-9836-4653e53caf98/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 -> f4de244ba3b593cb6eaf3556b8fdd28c0a0ade3580babf520e164cbdcfa415ba [2024-11-14 02:45:35,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:45:35,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:45:35,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:45:35,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:45:35,632 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:45:35,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i Unable to find full path for "g++" [2024-11-14 02:45:37,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:45:38,217 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:45:38,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i [2024-11-14 02:45:38,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/data/d22f8e37b/a7a2cc2258cb46b8b64af7fadbd60e23/FLAG054261679 [2024-11-14 02:45:38,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/data/d22f8e37b/a7a2cc2258cb46b8b64af7fadbd60e23 [2024-11-14 02:45:38,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:45:38,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:45:38,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:38,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:45:38,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:45:38,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dacaf72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38, skipping insertion in model container [2024-11-14 02:45:38,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:45:38,517 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_1abe3fe2-db62-432c-9836-4653e53caf98/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i[919,932] [2024-11-14 02:45:38,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:38,685 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:45:38,700 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_1abe3fe2-db62-432c-9836-4653e53caf98/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i[919,932] [2024-11-14 02:45:38,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:38,811 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:45:38,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38 WrapperNode [2024-11-14 02:45:38,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:38,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:38,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:45:38,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:45:38,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,911 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 212 [2024-11-14 02:45:38,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:38,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:45:38,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:45:38,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:45:38,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:38,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:39,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:45:39,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:45:39,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:45:39,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:45:39,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (1/1) ... [2024-11-14 02:45:39,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:39,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:39,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:45:39,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:45:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:45:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:45:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:45:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:45:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:45:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:45:39,219 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:45:39,221 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:45:40,082 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 02:45:40,083 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:45:40,488 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:45:40,489 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:45:40,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:40 BoogieIcfgContainer [2024-11-14 02:45:40,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:45:40,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:45:40,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:45:40,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:45:40,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:45:38" (1/3) ... [2024-11-14 02:45:40,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf60669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:40, skipping insertion in model container [2024-11-14 02:45:40,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:38" (2/3) ... [2024-11-14 02:45:40,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf60669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:40, skipping insertion in model container [2024-11-14 02:45:40,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:40" (3/3) ... [2024-11-14 02:45:40,502 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i [2024-11-14 02:45:40,522 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:45:40,525 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:45:40,608 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:45:40,632 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;@30581532, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:45:40,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:45:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-14 02:45:40,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-14 02:45:40,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:45:40,653 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:45:40,654 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:45:40,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:45:40,662 INFO L85 PathProgramCache]: Analyzing trace with hash 2031179104, now seen corresponding path program 1 times [2024-11-14 02:45:40,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:45:40,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727098738] [2024-11-14 02:45:40,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:40,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:45:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:45:41,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [975741781] [2024-11-14 02:45:41,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:41,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:45:41,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:41,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:45:41,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:45:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:45:41,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:45:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:45:42,165 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:45:42,168 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:45:42,170 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:45:42,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 02:45:42,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 02:45:42,378 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:45:42,548 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:45:42,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:45:42 BoogieIcfgContainer [2024-11-14 02:45:42,557 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:45:42,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:45:42,558 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:45:42,558 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:45:42,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:40" (3/4) ... [2024-11-14 02:45:42,562 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:45:42,564 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:45:42,566 INFO L158 Benchmark]: Toolchain (without parser) took 4304.60ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 48.6MB in the end (delta: 69.8MB). Peak memory consumption was 69.6MB. Max. memory is 16.1GB. [2024-11-14 02:45:42,567 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:45:42,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.93ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 101.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:45:42,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.71ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 95.1MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:45:42,571 INFO L158 Benchmark]: Boogie Preprocessor took 92.16ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 92.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:45:42,571 INFO L158 Benchmark]: RCFGBuilder took 1485.71ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 67.6MB in the end (delta: 24.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-11-14 02:45:42,572 INFO L158 Benchmark]: TraceAbstraction took 2064.68ms. Allocated memory is still 142.6MB. Free memory was 67.0MB in the beginning and 48.7MB in the end (delta: 18.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-14 02:45:42,572 INFO L158 Benchmark]: Witness Printer took 6.66ms. Allocated memory is still 142.6MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:45:42,577 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.93ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 101.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.71ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 95.1MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.16ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 92.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1485.71ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 67.6MB in the end (delta: 24.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2064.68ms. Allocated memory is still 142.6MB. Free memory was 67.0MB in the beginning and 48.7MB in the end (delta: 18.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 6.66ms. Allocated memory is still 142.6MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 161, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 159, overapproximation of someBinaryFLOATComparisonOperation at line 155, overapproximation of someBinaryFLOATComparisonOperation at line 157, overapproximation of bitwiseOr at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 150, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 149, overapproximation of someUnaryFLOAToperation at line 61, overapproximation of someBinaryArithmeticFLOAToperation at line 63. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -64; [L23] unsigned char var_1_2 = 128; [L24] unsigned char var_1_3 = 64; [L25] signed short int var_1_6 = -16; [L26] unsigned short int var_1_7 = 56838; [L27] unsigned short int var_1_8 = 24612; [L28] signed short int var_1_9 = 20013; [L29] unsigned char var_1_10 = 0; [L30] unsigned char var_1_12 = 0; [L31] unsigned char var_1_13 = 0; [L32] signed short int var_1_14 = 50; [L33] unsigned char var_1_15 = 0; [L34] signed short int var_1_19 = 100; [L35] double var_1_21 = 3.5; [L36] signed short int var_1_23 = -128; [L37] float var_1_24 = 10.2; [L38] float var_1_25 = 8.6; [L39] float var_1_26 = 32.7; [L40] float var_1_27 = 16.25; [L41] float var_1_28 = 8.875; [L42] unsigned short int var_1_29 = 256; [L43] double var_1_30 = 2.75; [L44] unsigned char var_1_32 = 8; [L45] float var_1_35 = 1.15; [L46] float var_1_38 = 1000000.4; [L47] float var_1_39 = 32.25; [L48] signed char var_1_42 = -25; [L49] signed char var_1_46 = -1; [L50] unsigned char var_1_47 = 0; [L51] unsigned char var_1_49 = 1; [L52] unsigned char var_1_50 = 1; [L53] unsigned char last_1_var_1_15 = 0; [L177] isInitial = 1 [L178] FCALL initially() [L179] COND TRUE 1 [L180] CALL updateLastVariables() [L170] last_1_var_1_15 = var_1_15 [L180] RET updateLastVariables() [L181] CALL updateVariables() [L127] var_1_2 = __VERIFIER_nondet_uchar() [L128] CALL assume_abort_if_not(var_1_2 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_2 >= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L129] CALL assume_abort_if_not(var_1_2 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_2 <= 255) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=64, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L130] var_1_3 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L132] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=56838, var_1_8=24612, var_1_9=20013] [L133] var_1_7 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L135] CALL assume_abort_if_not(var_1_7 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_7 <= 65535) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=24612, var_1_9=20013] [L136] var_1_8 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=20013] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=20013] [L138] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=20013] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=20013] [L139] var_1_9 = __VERIFIER_nondet_short() [L140] CALL assume_abort_if_not(var_1_9 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_9 >= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L141] CALL assume_abort_if_not(var_1_9 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_9 <= 32766) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L142] var_1_12 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L144] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L145] var_1_13 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L147] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_21=7/2, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L148] var_1_21 = __VERIFIER_nondet_double() [L149] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L150] CALL assume_abort_if_not(var_1_21 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_21 != 0.0F) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-128, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L151] var_1_23 = __VERIFIER_nondet_short() [L152] CALL assume_abort_if_not(var_1_23 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_23 >= -16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L153] CALL assume_abort_if_not(var_1_23 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_23 <= 16383) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_25=43/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L154] var_1_25 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_25 >= -922337.2036854765600e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854765600e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_26=327/10, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L156] var_1_26 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_26 >= -922337.2036854765600e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854765600e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_27=65/4, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L158] var_1_27 = __VERIFIER_nondet_float() [L159] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854765600e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_28=71/8, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L160] var_1_28 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-1, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L162] var_1_46 = __VERIFIER_nondet_char() [L163] CALL assume_abort_if_not(var_1_46 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_46 >= -63) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L164] CALL assume_abort_if_not(var_1_46 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_46 <= 63) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=1, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L165] var_1_49 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_49 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=-255, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_49 >= 1) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=-255, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L167] CALL assume_abort_if_not(var_1_49 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=-255, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_49 <= 1) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=0, var_1_19=100, var_1_1=-64, var_1_23=-16383, var_1_24=51/5, var_1_29=256, var_1_2=127, var_1_30=11/4, var_1_32=8, var_1_35=23/20, var_1_38=5000002/5, var_1_39=129/4, var_1_3=-129, var_1_42=-25, var_1_46=-63, var_1_47=0, var_1_49=-255, var_1_50=1, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L181] RET updateVariables() [L182] CALL step() [L57] COND FALSE !(\read(last_1_var_1_15)) [L60] COND FALSE !(\read(var_1_10)) [L63] var_1_24 = ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))) [L65] COND TRUE (- var_1_24) == (var_1_24 + var_1_24) [L66] var_1_15 = var_1_12 [L68] COND TRUE var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21)))) [L69] COND FALSE !(\read(var_1_10)) [L72] var_1_19 = (var_1_3 - 8) [L77] COND FALSE !(var_1_24 != var_1_24) [L80] signed long int stepLocal_1 = var_1_7 - (var_1_8 - var_1_2); [L81] COND FALSE !(stepLocal_1 >= var_1_29) [L84] COND FALSE !(\read(var_1_15)) [L87] signed long int stepLocal_0 = var_1_2 - var_1_3; [L88] COND TRUE stepLocal_0 <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6))) [L89] var_1_1 = ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) [L93] var_1_30 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) [L94] var_1_32 = (((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))) + var_1_3) [L95] var_1_35 = ((((var_1_27) > (((((8.9f) > ((var_1_27 - var_1_27))) ? (8.9f) : ((var_1_27 - var_1_27)))))) ? (var_1_27) : (((((8.9f) > ((var_1_27 - var_1_27))) ? (8.9f) : ((var_1_27 - var_1_27))))))) [L96] var_1_38 = ((((50.8f) < 0 ) ? -(50.8f) : (50.8f))) [L97] COND TRUE (~ var_1_3) < (var_1_3 * var_1_2) [L98] COND FALSE !(\read(var_1_10)) [L101] EXPR var_1_3 | var_1_2 [L101] COND TRUE (var_1_3 | var_1_2) >= var_1_3 [L102] var_1_39 = var_1_27 [L108] COND FALSE !(\read(var_1_10)) [L115] COND FALSE !(var_1_28 >= ((((var_1_27) < 0 ) ? -(var_1_27) : (var_1_27)))) [L118] COND FALSE !(2 >= (var_1_7 * ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) [L121] var_1_47 = var_1_49 [L124] var_1_50 = var_1_13 [L182] RET step() [L183] CALL, EXPR property() [L173-L174] return (((((((((var_1_2 - var_1_3) <= ((((var_1_29) > (var_1_6)) ? (var_1_29) : (var_1_6)))) ? (var_1_1 == ((signed long int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : (var_1_1 == ((signed long int) var_1_2))) && (((var_1_7 - (var_1_8 - var_1_2)) >= var_1_29) ? (var_1_6 == ((signed short int) (var_1_3 - (var_1_9 - var_1_2)))) : 1)) && (last_1_var_1_15 ? (var_1_10 == ((unsigned char) (var_1_12 || var_1_13))) : 1)) && (var_1_15 ? (var_1_14 == ((signed short int) (((((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) < (var_1_9)) ? ((((((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) < 0 ) ? -((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2))) : ((((var_1_3) > (var_1_2)) ? (var_1_3) : (var_1_2)))))) : (var_1_9))))) : 1)) && (((- var_1_24) == (var_1_24 + var_1_24)) ? (var_1_15 == ((unsigned char) var_1_12)) : 1)) && ((var_1_24 == ((((((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) > ((var_1_24 / var_1_21))) ? (((((3.3) > (var_1_24)) ? (3.3) : (var_1_24)))) : ((var_1_24 / var_1_21))))) ? (var_1_10 ? (var_1_19 == ((signed short int) (var_1_3 + ((((var_1_2) < (var_1_23)) ? (var_1_2) : (var_1_23)))))) : (var_1_19 == ((signed short int) (var_1_3 - 8)))) : (var_1_19 == ((signed short int) var_1_2)))) && (var_1_10 ? (var_1_24 == ((float) ((((var_1_25) > (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26))))) ? (var_1_25) : (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))))))) : (var_1_24 == ((float) ((((var_1_27 - var_1_28) < 0 ) ? -(var_1_27 - var_1_28) : (var_1_27 - var_1_28))))))) && ((var_1_24 != var_1_24) ? (var_1_29 == ((unsigned short int) ((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1) ; [L183] RET, EXPR property() [L183] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=-256, var_1_19=119, var_1_1=127, var_1_23=-16383, var_1_24=2, var_1_25=0, var_1_26=0, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=254, var_1_35=3, var_1_38=5, var_1_39=3, var_1_3=-129, var_1_42=-25, var_1_46=-63, var_1_47=-255, var_1_49=-255, var_1_50=0, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=0, var_1_10=0, var_1_12=-256, var_1_13=0, var_1_14=50, var_1_15=-256, var_1_19=119, var_1_1=127, var_1_23=-16383, var_1_24=2, var_1_25=0, var_1_26=0, var_1_27=3, var_1_28=0, var_1_29=256, var_1_2=127, var_1_30=4, var_1_32=254, var_1_35=3, var_1_38=5, var_1_39=3, var_1_3=-129, var_1_42=-25, var_1_46=-63, var_1_47=-255, var_1_49=-255, var_1_50=0, var_1_6=-16, var_1_7=32767, var_1_8=32639, var_1_9=16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 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 02:45:42,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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_1abe3fe2-db62-432c-9836-4653e53caf98/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 f4de244ba3b593cb6eaf3556b8fdd28c0a0ade3580babf520e164cbdcfa415ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:45:45,918 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:45:46,099 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:45:46,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:45:46,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:45:46,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:45:46,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:45:46,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:45:46,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:45:46,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:45:46,168 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:45:46,169 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:45:46,169 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:45:46,170 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:45:46,170 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:45:46,170 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:45:46,171 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:45:46,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:45:46,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:45:46,171 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:45:46,171 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:45:46,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:45:46,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:45:46,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:45:46,171 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:45:46,171 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:45:46,172 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:45:46,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:45:46,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:45:46,172 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:45:46,172 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:45:46,172 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:45:46,172 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:45:46,172 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:45:46,172 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:45:46,173 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:46,173 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:45:46,173 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:45:46,173 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:45:46,173 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:45:46,173 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:45:46,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:45:46,175 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:45:46,175 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_1abe3fe2-db62-432c-9836-4653e53caf98/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 -> f4de244ba3b593cb6eaf3556b8fdd28c0a0ade3580babf520e164cbdcfa415ba [2024-11-14 02:45:46,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:45:46,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:45:46,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:45:46,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:45:46,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:45:46,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i Unable to find full path for "g++" [2024-11-14 02:45:48,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:45:49,140 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:45:49,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i [2024-11-14 02:45:49,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/data/1557c06dd/3e34f8c782d24d29b33c16a4d20bc9c6/FLAG8ad524ef1 [2024-11-14 02:45:49,181 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/data/1557c06dd/3e34f8c782d24d29b33c16a4d20bc9c6 [2024-11-14 02:45:49,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:45:49,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:45:49,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:49,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:45:49,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:45:49,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455141ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49, skipping insertion in model container [2024-11-14 02:45:49,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:45:49,423 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_1abe3fe2-db62-432c-9836-4653e53caf98/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i[919,932] [2024-11-14 02:45:49,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:49,591 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:45:49,606 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_1abe3fe2-db62-432c-9836-4653e53caf98/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i[919,932] [2024-11-14 02:45:49,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:45:49,703 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:45:49,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49 WrapperNode [2024-11-14 02:45:49,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:45:49,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:49,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:45:49,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:45:49,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,793 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2024-11-14 02:45:49,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:45:49,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:45:49,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:45:49,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:45:49,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:45:49,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:45:49,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:45:49,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:45:49,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (1/1) ... [2024-11-14 02:45:49,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:45:49,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:49,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:45:49,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:45:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:45:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:45:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:45:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:45:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:45:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:45:50,084 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:45:50,086 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:45:57,971 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-14 02:45:57,971 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:45:57,985 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:45:57,986 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:45:57,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:57 BoogieIcfgContainer [2024-11-14 02:45:57,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:45:57,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:45:57,990 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:45:57,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:45:57,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:45:49" (1/3) ... [2024-11-14 02:45:57,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713fdd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:57, skipping insertion in model container [2024-11-14 02:45:57,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:45:49" (2/3) ... [2024-11-14 02:45:57,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@713fdd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:45:57, skipping insertion in model container [2024-11-14 02:45:57,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:45:57" (3/3) ... [2024-11-14 02:45:57,999 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i [2024-11-14 02:45:58,018 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:45:58,021 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-19.i that has 2 procedures, 80 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:45:58,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:45:58,106 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;@1132364c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:45:58,106 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:45:58,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-14 02:45:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-14 02:45:58,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:45:58,129 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:45:58,130 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:45:58,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:45:58,138 INFO L85 PathProgramCache]: Analyzing trace with hash 945615975, now seen corresponding path program 1 times [2024-11-14 02:45:58,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:45:58,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1637330303] [2024-11-14 02:45:58,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:58,157 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 02:45:58,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:45:58,162 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:45:58,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:45:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:59,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 02:45:59,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:45:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-14 02:45:59,996 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:45:59,997 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:45:59,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1637330303] [2024-11-14 02:45:59,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1637330303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:45:59,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:45:59,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:46:00,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161461330] [2024-11-14 02:46:00,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:46:00,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:46:00,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:46:00,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:46:00,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:46:00,035 INFO L87 Difference]: Start difference. First operand has 80 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-14 02:46:00,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:00,105 INFO L93 Difference]: Finished difference Result 153 states and 268 transitions. [2024-11-14 02:46:00,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:46:00,110 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2024-11-14 02:46:00,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:00,122 INFO L225 Difference]: With dead ends: 153 [2024-11-14 02:46:00,122 INFO L226 Difference]: Without dead ends: 76 [2024-11-14 02:46:00,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:46:00,134 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:00,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:46:00,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-14 02:46:00,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-14 02:46:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 48 states have (on average 1.3125) internal successors, (63), 48 states have internal predecessors, (63), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-14 02:46:00,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 115 transitions. [2024-11-14 02:46:00,191 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 115 transitions. Word has length 169 [2024-11-14 02:46:00,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:00,191 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 115 transitions. [2024-11-14 02:46:00,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-14 02:46:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2024-11-14 02:46:00,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-14 02:46:00,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:00,197 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:00,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:00,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:00,398 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:00,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:00,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1928147393, now seen corresponding path program 1 times [2024-11-14 02:46:00,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:00,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799085465] [2024-11-14 02:46:00,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:00,400 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 02:46:00,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:00,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:00,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:01,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-14 02:46:01,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-14 02:46:06,442 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:46:06,443 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:46:06,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799085465] [2024-11-14 02:46:06,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799085465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:46:06,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:46:06,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:46:06,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776456478] [2024-11-14 02:46:06,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:46:06,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 02:46:06,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:46:06,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 02:46:06,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 02:46:06,448 INFO L87 Difference]: Start difference. First operand 76 states and 115 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 02:46:09,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:11,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:13,332 WARN L539 Checker$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 02:46:15,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:17,997 WARN L539 Checker$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 02:46:20,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:22,038 WARN L539 Checker$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 02:46:22,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:22,040 INFO L93 Difference]: Finished difference Result 266 states and 402 transitions. [2024-11-14 02:46:22,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 02:46:22,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-14 02:46:22,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:22,200 INFO L225 Difference]: With dead ends: 266 [2024-11-14 02:46:22,201 INFO L226 Difference]: Without dead ends: 193 [2024-11-14 02:46:22,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:46:22,203 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 125 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 57 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:22,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 384 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 15.4s Time] [2024-11-14 02:46:22,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-14 02:46:22,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 147. [2024-11-14 02:46:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 92 states have (on average 1.3043478260869565) internal successors, (120), 92 states have internal predecessors, (120), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-14 02:46:22,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 224 transitions. [2024-11-14 02:46:22,252 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 224 transitions. Word has length 170 [2024-11-14 02:46:22,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:22,253 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 224 transitions. [2024-11-14 02:46:22,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 02:46:22,254 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 224 transitions. [2024-11-14 02:46:22,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-14 02:46:22,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:22,258 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:22,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:22,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:22,459 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:22,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:22,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1110498943, now seen corresponding path program 1 times [2024-11-14 02:46:22,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:22,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978189634] [2024-11-14 02:46:22,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:22,461 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 02:46:22,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:22,466 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:22,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 (4)] Waiting until timeout for monitored process [2024-11-14 02:46:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:23,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 02:46:23,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-14 02:46:24,058 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:46:24,058 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:46:24,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978189634] [2024-11-14 02:46:24,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978189634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:46:24,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:46:24,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:46:24,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033359630] [2024-11-14 02:46:24,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:46:24,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:46:24,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:46:24,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:46:24,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:46:24,062 INFO L87 Difference]: Start difference. First operand 147 states and 224 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 02:46:26,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:28,774 WARN L539 Checker$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 02:46:29,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:29,008 INFO L93 Difference]: Finished difference Result 431 states and 660 transitions. [2024-11-14 02:46:29,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:46:29,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-11-14 02:46:29,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:29,015 INFO L225 Difference]: With dead ends: 431 [2024-11-14 02:46:29,016 INFO L226 Difference]: Without dead ends: 287 [2024-11-14 02:46:29,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:46:29,018 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 104 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:29,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 287 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 10 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2024-11-14 02:46:29,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-14 02:46:29,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 285. [2024-11-14 02:46:29,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 176 states have (on average 1.2613636363636365) internal successors, (222), 176 states have internal predecessors, (222), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-14 02:46:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 430 transitions. [2024-11-14 02:46:29,105 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 430 transitions. Word has length 170 [2024-11-14 02:46:29,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:29,107 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 430 transitions. [2024-11-14 02:46:29,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 02:46:29,107 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 430 transitions. [2024-11-14 02:46:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 02:46:29,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:29,111 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:29,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 (4)] Forceful destruction successful, exit code 0 [2024-11-14 02:46:29,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:29,312 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:29,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:29,313 INFO L85 PathProgramCache]: Analyzing trace with hash -649022229, now seen corresponding path program 1 times [2024-11-14 02:46:29,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:29,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569160301] [2024-11-14 02:46:29,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:29,314 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 02:46:29,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:29,319 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:29,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:30,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 02:46:30,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-14 02:46:35,757 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:46:35,757 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:46:35,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569160301] [2024-11-14 02:46:35,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569160301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:46:35,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:46:35,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:46:35,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925110269] [2024-11-14 02:46:35,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:46:35,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:46:35,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:46:35,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:46:35,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:46:35,760 INFO L87 Difference]: Start difference. First operand 285 states and 430 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 02:46:38,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:40,938 WARN L539 Checker$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 02:46:40,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:40,961 INFO L93 Difference]: Finished difference Result 570 states and 860 transitions. [2024-11-14 02:46:41,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:46:41,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-11-14 02:46:41,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:41,099 INFO L225 Difference]: With dead ends: 570 [2024-11-14 02:46:41,099 INFO L226 Difference]: Without dead ends: 288 [2024-11-14 02:46:41,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:46:41,101 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 22 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:41,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 212 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2024-11-14 02:46:41,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-14 02:46:41,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 286. [2024-11-14 02:46:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 177 states have (on average 1.2203389830508475) internal successors, (216), 177 states have internal predecessors, (216), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-14 02:46:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 424 transitions. [2024-11-14 02:46:41,146 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 424 transitions. Word has length 171 [2024-11-14 02:46:41,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:41,147 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 424 transitions. [2024-11-14 02:46:41,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 02:46:41,148 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 424 transitions. [2024-11-14 02:46:41,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 02:46:41,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:41,152 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:41,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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)] Forceful destruction successful, exit code 0 [2024-11-14 02:46:41,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:41,353 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:41,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:41,353 INFO L85 PathProgramCache]: Analyzing trace with hash 850514969, now seen corresponding path program 1 times [2024-11-14 02:46:41,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:41,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824326682] [2024-11-14 02:46:41,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:41,354 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 02:46:41,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:41,357 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:41,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 (6)] Waiting until timeout for monitored process [2024-11-14 02:46:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:42,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-14 02:46:42,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-14 02:46:43,600 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:46:43,600 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:46:43,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824326682] [2024-11-14 02:46:43,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824326682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:46:43,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:46:43,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 02:46:43,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501284567] [2024-11-14 02:46:43,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:46:43,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 02:46:43,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:46:43,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 02:46:43,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:46:43,603 INFO L87 Difference]: Start difference. First operand 286 states and 424 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 02:46:46,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:46:48,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:46:51,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:46:53,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:46:56,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-14 02:46:58,330 WARN L539 Checker$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 [0] [2024-11-14 02:46:59,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:59,030 INFO L93 Difference]: Finished difference Result 836 states and 1240 transitions. [2024-11-14 02:46:59,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 02:46:59,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-11-14 02:46:59,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:59,047 INFO L225 Difference]: With dead ends: 836 [2024-11-14 02:46:59,047 INFO L226 Difference]: Without dead ends: 553 [2024-11-14 02:46:59,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 02:46:59,050 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 106 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:59,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 293 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 6 Unknown, 0 Unchecked, 15.3s Time] [2024-11-14 02:46:59,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-11-14 02:46:59,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 292. [2024-11-14 02:46:59,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 183 states have (on average 1.2240437158469946) internal successors, (224), 183 states have internal predecessors, (224), 104 states have call successors, (104), 4 states have call predecessors, (104), 4 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-14 02:46:59,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 432 transitions. [2024-11-14 02:46:59,141 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 432 transitions. Word has length 171 [2024-11-14 02:46:59,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:59,145 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 432 transitions. [2024-11-14 02:46:59,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-14 02:46:59,145 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 432 transitions. [2024-11-14 02:46:59,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 02:46:59,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:59,152 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:59,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 (6)] Ended with exit code 0 [2024-11-14 02:46:59,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:59,353 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:59,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:59,354 INFO L85 PathProgramCache]: Analyzing trace with hash -737832933, now seen corresponding path program 1 times [2024-11-14 02:46:59,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:59,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2038825949] [2024-11-14 02:46:59,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:59,355 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 02:46:59,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:59,361 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:46:59,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 (7)] Waiting until timeout for monitored process [2024-11-14 02:47:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:00,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:47:00,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:47:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 663 proven. 42 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-11-14 02:47:03,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:47:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-14 02:47:06,846 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:47:06,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2038825949] [2024-11-14 02:47:06,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2038825949] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:47:06,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [29997061] [2024-11-14 02:47:06,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:06,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:47:06,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:47:06,853 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:47:06,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-14 02:47:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:10,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 02:47:10,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:47:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 663 proven. 42 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-11-14 02:47:12,729 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:47:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-14 02:47:15,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [29997061] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:47:15,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706240087] [2024-11-14 02:47:15,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:15,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:47:15,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:47:15,749 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:47:15,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 02:47:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:16,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:47:16,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:47:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 663 proven. 42 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2024-11-14 02:47:19,233 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:47:22,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 33 proven. 42 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-14 02:47:22,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706240087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:47:22,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 02:47:22,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2024-11-14 02:47:22,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427779677] [2024-11-14 02:47:22,061 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 02:47:22,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 02:47:22,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:47:22,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 02:47:22,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-14 02:47:22,064 INFO L87 Difference]: Start difference. First operand 292 states and 432 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-14 02:47:27,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:47:29,710 WARN L539 Checker$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 02:47:31,728 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 02:47:31,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:47:31,735 INFO L93 Difference]: Finished difference Result 378 states and 552 transitions. [2024-11-14 02:47:31,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 02:47:31,886 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 171 [2024-11-14 02:47:31,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:47:31,888 INFO L225 Difference]: With dead ends: 378 [2024-11-14 02:47:31,888 INFO L226 Difference]: Without dead ends: 89 [2024-11-14 02:47:31,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1028 GetRequests, 1012 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-11-14 02:47:31,891 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 97 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 76 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2024-11-14 02:47:31,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 173 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 151 Invalid, 3 Unknown, 0 Unchecked, 8.7s Time] [2024-11-14 02:47:31,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-14 02:47:31,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 82. [2024-11-14 02:47:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 53 states have (on average 1.169811320754717) internal successors, (62), 53 states have internal predecessors, (62), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-14 02:47:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2024-11-14 02:47:31,914 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 171 [2024-11-14 02:47:31,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:47:31,915 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2024-11-14 02:47:31,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-14 02:47:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2024-11-14 02:47:31,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-14 02:47:31,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:31,919 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:47:31,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-14 02:47:32,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 (7)] Ended with exit code 0 [2024-11-14 02:47:32,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 02:47:32,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:47:32,520 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:47:32,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:32,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1748950183, now seen corresponding path program 1 times [2024-11-14 02:47:32,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:47:32,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177769956] [2024-11-14 02:47:32,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:32,522 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 02:47:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:47:32,525 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:47:32,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1abe3fe2-db62-432c-9836-4653e53caf98/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 02:47:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:34,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 02:47:34,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:49:05,895 WARN L286 SmtUtils]: Spent 6.99s on a formula simplification. DAG size of input: 35 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:49:36,714 WARN L286 SmtUtils]: Spent 9.17s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 02:50:10,745 WARN L286 SmtUtils]: Spent 7.52s on a formula simplification. DAG size of input: 47 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)