./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.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_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 bb1072a3da1b902d46ecd9ce74b2a1554240d32d65c2b6555e02c12869b56270 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:44:05,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:44:05,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:44:05,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:44:05,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:44:05,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:44:05,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:44:05,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:44:05,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:44:05,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:44:05,552 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:44:05,552 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:44:05,552 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:44:05,554 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:44:05,554 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:44:05,555 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:44:05,555 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:44:05,555 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:44:05,555 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:44:05,555 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:44:05,556 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:44:05,556 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:44:05,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:44:05,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:44:05,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:44:05,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:44:05,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:44:05,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:44:05,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:44:05,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:44:05,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:44:05,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:44:05,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:44:05,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:44:05,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:44:05,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:44:05,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:44:05,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:44:05,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:44:05,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:44:05,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:44:05,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:44:05,560 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:44:05,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:44:05,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:44:05,560 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:44:05,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:44:05,561 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_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 -> bb1072a3da1b902d46ecd9ce74b2a1554240d32d65c2b6555e02c12869b56270 [2024-11-14 02:44:05,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:44:05,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:44:05,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:44:05,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:44:05,896 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:44:05,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.i Unable to find full path for "g++" [2024-11-14 02:44:07,984 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:44:08,317 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:44:08,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.i [2024-11-14 02:44:08,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/data/34f7ba6ea/0b3e521a607c4698be70c1df19e48dfb/FLAG7719c4010 [2024-11-14 02:44:08,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/data/34f7ba6ea/0b3e521a607c4698be70c1df19e48dfb [2024-11-14 02:44:08,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:44:08,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:44:08,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:44:08,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:44:08,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:44:08,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:08,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c0c37a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08, skipping insertion in model container [2024-11-14 02:44:08,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:08,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:44:08,615 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_de334ab2-d5f0-4705-9d92-01c5076fbafd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.i[915,928] [2024-11-14 02:44:08,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:44:08,804 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:44:08,819 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_de334ab2-d5f0-4705-9d92-01c5076fbafd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.i[915,928] [2024-11-14 02:44:08,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:44:08,905 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:44:08,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08 WrapperNode [2024-11-14 02:44:08,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:44:08,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:44:08,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:44:08,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:44:08,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:08,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:08,984 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 245 [2024-11-14 02:44:08,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:44:08,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:44:08,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:44:08,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:44:08,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:08,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:09,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:09,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:09,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:09,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:09,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:09,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:09,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:44:09,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:44:09,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:44:09,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:44:09,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (1/1) ... [2024-11-14 02:44:09,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:44:09,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:09,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:44:09,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:44:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:44:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:44:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:44:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:44:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:44:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:44:09,283 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:44:09,288 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:44:10,091 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-14 02:44:10,091 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:44:10,500 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:44:10,500 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:44:10,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:44:10 BoogieIcfgContainer [2024-11-14 02:44:10,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:44:10,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:44:10,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:44:10,509 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:44:10,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:44:08" (1/3) ... [2024-11-14 02:44:10,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596fb7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:44:10, skipping insertion in model container [2024-11-14 02:44:10,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:08" (2/3) ... [2024-11-14 02:44:10,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596fb7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:44:10, skipping insertion in model container [2024-11-14 02:44:10,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:44:10" (3/3) ... [2024-11-14 02:44:10,513 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-3.i [2024-11-14 02:44:10,563 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:44:10,564 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-3.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:44:10,639 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:44:10,659 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;@586c28cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:44:10,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:44:10,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 02:44:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-14 02:44:10,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:44:10,681 INFO L215 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:44:10,682 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:44:10,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:44:10,688 INFO L85 PathProgramCache]: Analyzing trace with hash 741922001, now seen corresponding path program 1 times [2024-11-14 02:44:10,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:44:10,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943585823] [2024-11-14 02:44:10,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:10,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:44:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-14 02:44:11,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500133521] [2024-11-14 02:44:11,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:11,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:44:11,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:11,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:44:11,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 02:44:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:44:12,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:44:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:44:12,731 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:44:12,733 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:44:12,735 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:44:12,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 02:44:12,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-14 02:44:12,943 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 02:44:13,086 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:44:13,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:44:13 BoogieIcfgContainer [2024-11-14 02:44:13,094 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:44:13,095 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:44:13,095 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:44:13,095 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:44:13,096 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:44:10" (3/4) ... [2024-11-14 02:44:13,099 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:44:13,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:44:13,103 INFO L158 Benchmark]: Toolchain (without parser) took 4737.14ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 43.2MB in the end (delta: 49.1MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-11-14 02:44:13,103 INFO L158 Benchmark]: CDTParser took 2.04ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:44:13,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.47ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 75.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:44:13,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.97ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 69.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:44:13,104 INFO L158 Benchmark]: Boogie Preprocessor took 65.35ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:44:13,105 INFO L158 Benchmark]: RCFGBuilder took 1449.09ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 33.5MB in the end (delta: 33.9MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-11-14 02:44:13,105 INFO L158 Benchmark]: TraceAbstraction took 2590.11ms. Allocated memory is still 117.4MB. Free memory was 32.9MB in the beginning and 43.2MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:44:13,105 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 8.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:44:13,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.04ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.47ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 75.0MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.97ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 69.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.35ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1449.09ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 33.5MB in the end (delta: 33.9MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2590.11ms. Allocated memory is still 117.4MB. Free memory was 32.9MB in the beginning and 43.2MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 8.9kB). 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 shiftLeft at line 84, overapproximation of someBinaryArithmeticDOUBLEoperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 174, overapproximation of someBinaryFLOATComparisonOperation at line 176, overapproximation of someBinaryFLOATComparisonOperation at line 172, overapproximation of someBinaryDOUBLEComparisonOperation at line 198, overapproximation of someBinaryDOUBLEComparisonOperation at line 200, overapproximation of someBinaryDOUBLEComparisonOperation at line 196, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -2; [L23] unsigned char var_1_4 = 128; [L24] signed char var_1_5 = 32; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_9 = 0; [L28] unsigned short int var_1_10 = 5; [L29] unsigned long int var_1_12 = 500; [L30] signed char var_1_13 = -2; [L31] float var_1_14 = 128.5; [L32] float var_1_16 = 99999999999999.05; [L33] float var_1_17 = 1.125; [L34] float var_1_18 = 0.30000000000000004; [L35] double var_1_19 = 128.6; [L36] unsigned char var_1_20 = 25; [L37] unsigned char var_1_21 = 128; [L38] unsigned char var_1_22 = 8; [L39] unsigned char var_1_23 = 0; [L40] unsigned char var_1_24 = 32; [L41] unsigned char var_1_26 = 200; [L42] unsigned char var_1_27 = 5; [L43] unsigned char var_1_28 = 0; [L44] signed long int var_1_29 = -2; [L45] double var_1_31 = 127.8; [L46] double var_1_32 = 24.5; [L47] double var_1_33 = 1000000.75; [L48] double var_1_34 = 5.5; [L49] unsigned char last_1_var_1_6 = 0; [L50] unsigned short int last_1_var_1_10 = 5; [L51] unsigned char last_1_var_1_20 = 25; [L52] unsigned char last_1_var_1_28 = 0; [L53] signed long int last_1_var_1_29 = -2; [L214] isInitial = 1 [L215] FCALL initially() [L216] int k_loop; [L217] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=128, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L217] COND TRUE k_loop < 1 [L218] CALL updateLastVariables() [L203] last_1_var_1_6 = var_1_6 [L204] last_1_var_1_10 = var_1_10 [L205] last_1_var_1_20 = var_1_20 [L206] last_1_var_1_28 = var_1_28 [L207] last_1_var_1_29 = var_1_29 [L218] RET updateLastVariables() [L219] CALL updateVariables() [L154] var_1_4 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L156] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L157] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L158] var_1_5 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_5 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_5 >= -63) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=0, var_1_9=0] [L160] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=0, var_1_9=0] [L161] var_1_7 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=0] [L164] var_1_9 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1] [L166] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L167] var_1_13 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_13 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_13 >= -128) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L169] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L170] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L171] var_1_16 = __VERIFIER_nondet_float() [L172] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L173] var_1_17 = __VERIFIER_nondet_float() [L174] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L175] var_1_18 = __VERIFIER_nondet_float() [L176] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L177] var_1_21 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L179] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L180] var_1_22 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L182] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L183] var_1_23 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L185] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L186] var_1_24 = __VERIFIER_nondet_uchar() [L187] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L188] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L189] var_1_26 = __VERIFIER_nondet_uchar() [L190] CALL assume_abort_if_not(var_1_26 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_26 >= 190) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L191] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L192] var_1_27 = __VERIFIER_nondet_uchar() [L193] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L194] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=0, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=0, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L195] var_1_32 = __VERIFIER_nondet_double() [L196] CALL assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=0, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=0, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_33=4000003/4, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L197] var_1_33 = __VERIFIER_nondet_double() [L198] CALL assume_abort_if_not((var_1_33 >= 0.0F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=0, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not((var_1_33 >= 0.0F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=0, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_34=11/2, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L199] var_1_34 = __VERIFIER_nondet_double() [L200] CALL assume_abort_if_not((var_1_34 >= -461168.6018427382800e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=0, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not((var_1_34 >= -461168.6018427382800e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=1, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=0, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L219] RET updateVariables() [L220] CALL step() [L57] COND TRUE var_1_4 != (last_1_var_1_20 + last_1_var_1_10) [L58] var_1_6 = ((var_1_4 <= last_1_var_1_20) && (! var_1_7)) [L66] COND FALSE !(var_1_6 || var_1_6) [L69] var_1_14 = var_1_16 [L71] unsigned char stepLocal_2 = var_1_9; [L72] COND FALSE !(stepLocal_2 && ((var_1_4 * last_1_var_1_28) >= (last_1_var_1_29 + last_1_var_1_29))) [L77] var_1_10 = last_1_var_1_28 [L79] unsigned char stepLocal_8 = var_1_26; [L80] unsigned char stepLocal_7 = last_1_var_1_6; [L81] unsigned char stepLocal_6 = var_1_24; [L82] COND FALSE !(var_1_7 && stepLocal_7) [L89] signed long int stepLocal_3 = var_1_4 / var_1_13; [L90] COND TRUE var_1_5 != stepLocal_3 [L91] var_1_12 = ((((var_1_28) > (8u)) ? (var_1_28) : (8u))) [L93] COND TRUE var_1_16 <= var_1_14 [L94] COND TRUE var_1_28 == var_1_10 [L95] COND TRUE \read(var_1_7) [L96] var_1_31 = (var_1_32 - var_1_33) [L106] COND TRUE ! var_1_6 [L107] COND TRUE var_1_31 < ((((var_1_16) < (var_1_18)) ? (var_1_16) : (var_1_18))) [L108] var_1_19 = (49.5 + ((((var_1_18) > (var_1_17)) ? (var_1_18) : (var_1_17)))) [L115] unsigned short int stepLocal_5 = var_1_10; [L116] signed char stepLocal_4 = var_1_13; [L117] COND TRUE (var_1_14 * var_1_18) > var_1_16 [L118] COND FALSE !(var_1_12 < stepLocal_4) [L121] COND TRUE stepLocal_5 < var_1_21 [L122] var_1_20 = ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))) [L134] unsigned short int stepLocal_1 = var_1_10; [L135] signed long int stepLocal_0 = var_1_28 / var_1_4; [L136] COND FALSE !(var_1_10 != stepLocal_0) [L143] unsigned char stepLocal_10 = var_1_26; [L144] unsigned char stepLocal_9 = var_1_6; [L145] COND FALSE !(var_1_27 > stepLocal_10) [L148] COND TRUE stepLocal_9 || var_1_7 [L149] var_1_29 = var_1_12 [L220] RET step() [L221] CALL, EXPR property() [L210] EXPR ((((((((var_1_10 != (var_1_28 / var_1_4)) ? ((var_1_28 >= var_1_10) ? (var_1_1 == ((signed char) (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) + -5))) : (var_1_1 == ((signed char) var_1_5))) : 1) && ((var_1_4 != (last_1_var_1_20 + last_1_var_1_10)) ? (var_1_6 == ((unsigned char) ((var_1_4 <= last_1_var_1_20) && (! var_1_7)))) : (((((((last_1_var_1_29) > (last_1_var_1_29)) ? (last_1_var_1_29) : (last_1_var_1_29))) > var_1_5) || var_1_7) ? (var_1_6 == ((unsigned char) var_1_9)) : (var_1_6 == ((unsigned char) var_1_7))))) && ((var_1_9 && ((var_1_4 * last_1_var_1_28) >= (last_1_var_1_29 + last_1_var_1_29))) ? (var_1_7 ? (var_1_10 == ((unsigned short int) last_1_var_1_28)) : 1) : (var_1_10 == ((unsigned short int) last_1_var_1_28)))) && ((var_1_5 != (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned long int) ((((var_1_28) > (8u)) ? (var_1_28) : (8u))))) : 1)) && ((var_1_6 || var_1_6) ? (var_1_14 == ((float) (var_1_16 + (((((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) < 0 ) ? -((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) : ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18)))))))) : (var_1_14 == ((float) var_1_16)))) && ((! var_1_6) ? ((var_1_31 < ((((var_1_16) < (var_1_18)) ? (var_1_16) : (var_1_18)))) ? (var_1_19 == ((double) (49.5 + ((((var_1_18) > (var_1_17)) ? (var_1_18) : (var_1_17)))))) : (var_1_19 == ((double) var_1_16))) : (var_1_19 == ((double) var_1_17)))) && (((var_1_14 * var_1_18) > var_1_16) ? ((var_1_12 < var_1_13) ? (var_1_20 == ((unsigned char) (((((var_1_21 - var_1_22)) > ((var_1_23 + var_1_24))) ? ((var_1_21 - var_1_22)) : ((var_1_23 + var_1_24)))))) : ((var_1_10 < var_1_21) ? (var_1_20 == ((unsigned char) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : (var_1_20 == ((unsigned char) ((var_1_26 - var_1_27) - var_1_24))))) : (var_1_9 ? (var_1_20 == ((unsigned char) var_1_24)) : (var_1_20 == ((unsigned char) var_1_27))))) && ((var_1_7 && last_1_var_1_6) ? ((last_1_var_1_20 > var_1_24) ? ((var_1_26 < ((var_1_13 * var_1_4) << last_1_var_1_20)) ? (var_1_28 == ((unsigned char) var_1_24)) : 1) : 1) : 1) [L210] EXPR (var_1_7 && last_1_var_1_6) ? ((last_1_var_1_20 > var_1_24) ? ((var_1_26 < ((var_1_13 * var_1_4) << last_1_var_1_20)) ? (var_1_28 == ((unsigned char) var_1_24)) : 1) : 1) : 1 [L210] EXPR ((((((((var_1_10 != (var_1_28 / var_1_4)) ? ((var_1_28 >= var_1_10) ? (var_1_1 == ((signed char) (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) + -5))) : (var_1_1 == ((signed char) var_1_5))) : 1) && ((var_1_4 != (last_1_var_1_20 + last_1_var_1_10)) ? (var_1_6 == ((unsigned char) ((var_1_4 <= last_1_var_1_20) && (! var_1_7)))) : (((((((last_1_var_1_29) > (last_1_var_1_29)) ? (last_1_var_1_29) : (last_1_var_1_29))) > var_1_5) || var_1_7) ? (var_1_6 == ((unsigned char) var_1_9)) : (var_1_6 == ((unsigned char) var_1_7))))) && ((var_1_9 && ((var_1_4 * last_1_var_1_28) >= (last_1_var_1_29 + last_1_var_1_29))) ? (var_1_7 ? (var_1_10 == ((unsigned short int) last_1_var_1_28)) : 1) : (var_1_10 == ((unsigned short int) last_1_var_1_28)))) && ((var_1_5 != (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned long int) ((((var_1_28) > (8u)) ? (var_1_28) : (8u))))) : 1)) && ((var_1_6 || var_1_6) ? (var_1_14 == ((float) (var_1_16 + (((((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) < 0 ) ? -((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) : ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18)))))))) : (var_1_14 == ((float) var_1_16)))) && ((! var_1_6) ? ((var_1_31 < ((((var_1_16) < (var_1_18)) ? (var_1_16) : (var_1_18)))) ? (var_1_19 == ((double) (49.5 + ((((var_1_18) > (var_1_17)) ? (var_1_18) : (var_1_17)))))) : (var_1_19 == ((double) var_1_16))) : (var_1_19 == ((double) var_1_17)))) && (((var_1_14 * var_1_18) > var_1_16) ? ((var_1_12 < var_1_13) ? (var_1_20 == ((unsigned char) (((((var_1_21 - var_1_22)) > ((var_1_23 + var_1_24))) ? ((var_1_21 - var_1_22)) : ((var_1_23 + var_1_24)))))) : ((var_1_10 < var_1_21) ? (var_1_20 == ((unsigned char) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : (var_1_20 == ((unsigned char) ((var_1_26 - var_1_27) - var_1_24))))) : (var_1_9 ? (var_1_20 == ((unsigned char) var_1_24)) : (var_1_20 == ((unsigned char) var_1_27))))) && ((var_1_7 && last_1_var_1_6) ? ((last_1_var_1_20 > var_1_24) ? ((var_1_26 < ((var_1_13 * var_1_4) << last_1_var_1_20)) ? (var_1_28 == ((unsigned char) var_1_24)) : 1) : 1) : 1) [L210-L211] return ((((((((((var_1_10 != (var_1_28 / var_1_4)) ? ((var_1_28 >= var_1_10) ? (var_1_1 == ((signed char) (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) + -5))) : (var_1_1 == ((signed char) var_1_5))) : 1) && ((var_1_4 != (last_1_var_1_20 + last_1_var_1_10)) ? (var_1_6 == ((unsigned char) ((var_1_4 <= last_1_var_1_20) && (! var_1_7)))) : (((((((last_1_var_1_29) > (last_1_var_1_29)) ? (last_1_var_1_29) : (last_1_var_1_29))) > var_1_5) || var_1_7) ? (var_1_6 == ((unsigned char) var_1_9)) : (var_1_6 == ((unsigned char) var_1_7))))) && ((var_1_9 && ((var_1_4 * last_1_var_1_28) >= (last_1_var_1_29 + last_1_var_1_29))) ? (var_1_7 ? (var_1_10 == ((unsigned short int) last_1_var_1_28)) : 1) : (var_1_10 == ((unsigned short int) last_1_var_1_28)))) && ((var_1_5 != (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned long int) ((((var_1_28) > (8u)) ? (var_1_28) : (8u))))) : 1)) && ((var_1_6 || var_1_6) ? (var_1_14 == ((float) (var_1_16 + (((((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) < 0 ) ? -((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) : ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18)))))))) : (var_1_14 == ((float) var_1_16)))) && ((! var_1_6) ? ((var_1_31 < ((((var_1_16) < (var_1_18)) ? (var_1_16) : (var_1_18)))) ? (var_1_19 == ((double) (49.5 + ((((var_1_18) > (var_1_17)) ? (var_1_18) : (var_1_17)))))) : (var_1_19 == ((double) var_1_16))) : (var_1_19 == ((double) var_1_17)))) && (((var_1_14 * var_1_18) > var_1_16) ? ((var_1_12 < var_1_13) ? (var_1_20 == ((unsigned char) (((((var_1_21 - var_1_22)) > ((var_1_23 + var_1_24))) ? ((var_1_21 - var_1_22)) : ((var_1_23 + var_1_24)))))) : ((var_1_10 < var_1_21) ? (var_1_20 == ((unsigned char) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : (var_1_20 == ((unsigned char) ((var_1_26 - var_1_27) - var_1_24))))) : (var_1_9 ? (var_1_20 == ((unsigned char) var_1_24)) : (var_1_20 == ((unsigned char) var_1_27))))) && ((var_1_7 && last_1_var_1_6) ? ((last_1_var_1_20 > var_1_24) ? ((var_1_26 < ((var_1_13 * var_1_4) << last_1_var_1_20)) ? (var_1_28 == ((unsigned char) var_1_24)) : 1) : 1) : 1)) && ((var_1_27 > var_1_26) ? (var_1_29 == ((signed long int) (var_1_1 - ((((var_1_10) > (((((var_1_28) < (var_1_10)) ? (var_1_28) : (var_1_10))))) ? (var_1_10) : (((((var_1_28) < (var_1_10)) ? (var_1_28) : (var_1_10))))))))) : ((var_1_6 || var_1_7) ? (var_1_29 == ((signed long int) var_1_12)) : 1))) && ((var_1_16 <= var_1_14) ? ((var_1_28 == var_1_10) ? (var_1_7 ? (var_1_31 == ((double) (var_1_32 - var_1_33))) : (var_1_31 == ((double) (var_1_18 + ((((var_1_34) > (var_1_17)) ? (var_1_34) : (var_1_17))))))) : (var_1_31 == ((double) var_1_16))) : (var_1_31 == ((double) var_1_17))) ; [L221] RET, EXPR property() [L221] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=0, var_1_12=8, var_1_13=1, var_1_14=2, var_1_16=2, var_1_17=3, var_1_19=2, var_1_1=-2, var_1_20=0, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=0, var_1_28=0, var_1_29=8, var_1_31=3, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=0, var_1_12=8, var_1_13=1, var_1_14=2, var_1_16=2, var_1_17=3, var_1_19=2, var_1_1=-2, var_1_20=0, var_1_21=127, var_1_22=0, var_1_23=0, var_1_24=-512, var_1_26=190, var_1_27=0, var_1_28=0, var_1_29=8, var_1_31=3, var_1_4=-255, var_1_5=0, var_1_6=0, var_1_7=1, var_1_9=-256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 1, TraceHistogramMax: 30, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 02:44:13,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 bb1072a3da1b902d46ecd9ce74b2a1554240d32d65c2b6555e02c12869b56270 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:44:15,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:44:16,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:44:16,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:44:16,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:44:16,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:44:16,184 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:44:16,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:44:16,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:44:16,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:44:16,186 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:44:16,186 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:44:16,187 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:44:16,188 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:44:16,188 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:44:16,188 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:44:16,188 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:44:16,189 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:44:16,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:44:16,190 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:44:16,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:44:16,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:44:16,191 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:44:16,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:44:16,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:44:16,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:44:16,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:44:16,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:44:16,193 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:44:16,193 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:44:16,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:44:16,193 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:44:16,194 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_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 -> bb1072a3da1b902d46ecd9ce74b2a1554240d32d65c2b6555e02c12869b56270 [2024-11-14 02:44:16,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:44:16,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:44:16,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:44:16,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:44:16,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:44:16,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.i Unable to find full path for "g++" [2024-11-14 02:44:18,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:44:19,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:44:19,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.i [2024-11-14 02:44:19,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/data/21f5dcdc2/6502211717c94207844d664cf763374d/FLAGdd317f385 [2024-11-14 02:44:19,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/data/21f5dcdc2/6502211717c94207844d664cf763374d [2024-11-14 02:44:19,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:44:19,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:44:19,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:44:19,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:44:19,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:44:19,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115bbccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19, skipping insertion in model container [2024-11-14 02:44:19,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:44:19,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.i[915,928] [2024-11-14 02:44:19,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:44:19,449 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:44:19,463 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_de334ab2-d5f0-4705-9d92-01c5076fbafd/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-3.i[915,928] [2024-11-14 02:44:19,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:44:19,613 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:44:19,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19 WrapperNode [2024-11-14 02:44:19,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:44:19,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:44:19,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:44:19,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:44:19,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,733 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 214 [2024-11-14 02:44:19,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:44:19,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:44:19,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:44:19,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:44:19,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:44:19,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:44:19,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:44:19,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:44:19,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (1/1) ... [2024-11-14 02:44:19,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:44:19,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:44:19,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:44:19,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:44:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:44:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:44:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 02:44:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 02:44:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:44:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:44:19,990 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:44:19,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:44:25,193 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-14 02:44:25,194 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:44:25,210 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:44:25,210 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 02:44:25,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:44:25 BoogieIcfgContainer [2024-11-14 02:44:25,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:44:25,213 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:44:25,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:44:25,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:44:25,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:44:19" (1/3) ... [2024-11-14 02:44:25,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289b9bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:44:25, skipping insertion in model container [2024-11-14 02:44:25,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:44:19" (2/3) ... [2024-11-14 02:44:25,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289b9bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:44:25, skipping insertion in model container [2024-11-14 02:44:25,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:44:25" (3/3) ... [2024-11-14 02:44:25,222 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-3.i [2024-11-14 02:44:25,239 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:44:25,241 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_100-1loop_file-3.i that has 2 procedures, 94 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 02:44:25,311 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:44:25,328 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;@52d73ad7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:44:25,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:44:25,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 62 states have internal predecessors, (88), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 02:44:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-14 02:44:25,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:44:25,355 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:44:25,357 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:44:25,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:44:25,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1353048556, now seen corresponding path program 1 times [2024-11-14 02:44:25,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:44:25,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325442051] [2024-11-14 02:44:25,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:25,381 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 02:44:25,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:44:25,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 02:44:25,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 02:44:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:26,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 02:44:26,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:44:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 674 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-11-14 02:44:26,219 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:44:26,220 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:44:26,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1325442051] [2024-11-14 02:44:26,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1325442051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:44:26,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:44:26,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:44:26,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137036579] [2024-11-14 02:44:26,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:44:26,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:44:26,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:44:26,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:44:26,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:44:26,254 INFO L87 Difference]: Start difference. First operand has 94 states, 61 states have (on average 1.4426229508196722) internal successors, (88), 62 states have internal predecessors, (88), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-14 02:44:26,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:44:26,288 INFO L93 Difference]: Finished difference Result 185 states and 323 transitions. [2024-11-14 02:44:26,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:44:26,291 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 193 [2024-11-14 02:44:26,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:44:26,301 INFO L225 Difference]: With dead ends: 185 [2024-11-14 02:44:26,301 INFO L226 Difference]: Without dead ends: 90 [2024-11-14 02:44:26,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 192 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 02:44:26,313 INFO L432 NwaCegarLoop]: 145 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, 145 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 02:44:26,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:44:26,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-14 02:44:26,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-14 02:44:26,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 58 states have (on average 1.396551724137931) internal successors, (81), 58 states have internal predecessors, (81), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-14 02:44:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 141 transitions. [2024-11-14 02:44:26,384 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 141 transitions. Word has length 193 [2024-11-14 02:44:26,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:44:26,386 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 141 transitions. [2024-11-14 02:44:26,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-14 02:44:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2024-11-14 02:44:26,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-14 02:44:26,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:44:26,395 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:44:26,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 02:44:26,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 02:44:26,596 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:44:26,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:44:26,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1924793480, now seen corresponding path program 1 times [2024-11-14 02:44:26,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:44:26,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016397318] [2024-11-14 02:44:26,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:26,599 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 02:44:26,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:44:26,601 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 02:44:26,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 02:44:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:27,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:44:27,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:44:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2024-11-14 02:44:29,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:44:30,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 02:44:30,436 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:44:30,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016397318] [2024-11-14 02:44:30,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2016397318] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:44:30,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2059932513] [2024-11-14 02:44:30,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:44:30,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:44:30,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:44:30,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:44:30,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 02:44:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:44:31,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:44:31,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:44:34,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-14 02:44:34,353 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:44:34,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2059932513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:44:34,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 02:44:34,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 12 [2024-11-14 02:44:34,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802178682] [2024-11-14 02:44:34,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:44:34,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 02:44:34,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:44:34,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 02:44:34,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-14 02:44:34,357 INFO L87 Difference]: Start difference. First operand 90 states and 141 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 02:44:37,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:44:39,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:44:41,589 WARN L539 Checker$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 02:44:43,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:44:45,750 WARN L539 Checker$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 02:44:47,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:44:49,755 WARN L539 Checker$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 02:44:51,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:44:53,766 WARN L539 Checker$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 02:44:55,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:44:57,780 WARN L539 Checker$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 02:44:59,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:02,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:04,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:06,310 WARN L539 Checker$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 02:45:08,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:10,321 WARN L539 Checker$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 02:45:12,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:14,326 WARN L539 Checker$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 02:45:16,328 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 02:45:16,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:45:16,329 INFO L93 Difference]: Finished difference Result 350 states and 536 transitions. [2024-11-14 02:45:16,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 02:45:16,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 193 [2024-11-14 02:45:16,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:45:16,380 INFO L225 Difference]: With dead ends: 350 [2024-11-14 02:45:16,380 INFO L226 Difference]: Without dead ends: 263 [2024-11-14 02:45:16,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 565 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-14 02:45:16,382 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 308 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 92 mSolverCounterUnsat, 20 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 20 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.5s IncrementalHoareTripleChecker+Time [2024-11-14 02:45:16,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 653 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 94 Invalid, 20 Unknown, 0 Unchecked, 41.5s Time] [2024-11-14 02:45:16,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-14 02:45:16,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 241. [2024-11-14 02:45:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 162 states have (on average 1.4197530864197532) internal successors, (230), 164 states have internal predecessors, (230), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-14 02:45:16,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 378 transitions. [2024-11-14 02:45:16,486 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 378 transitions. Word has length 193 [2024-11-14 02:45:16,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:45:16,488 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 378 transitions. [2024-11-14 02:45:16,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-14 02:45:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 378 transitions. [2024-11-14 02:45:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-14 02:45:16,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:45:16,496 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:45:16,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 02:45:16,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-14 02:45:16,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 02:45:16,897 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:45:16,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:45:16,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1244735110, now seen corresponding path program 1 times [2024-11-14 02:45:16,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:45:16,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562213069] [2024-11-14 02:45:16,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:16,899 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 02:45:16,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:45:16,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 02:45:16,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 02:45:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:17,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 02:45:17,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:45:19,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2024-11-14 02:45:19,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:45:20,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 02:45:20,725 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:45:20,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562213069] [2024-11-14 02:45:20,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562213069] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:45:20,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1100988824] [2024-11-14 02:45:20,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:20,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:45:20,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:45:20,728 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:45:20,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-14 02:45:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:22,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 02:45:22,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:45:25,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 545 proven. 138 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2024-11-14 02:45:25,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:45:27,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 02:45:27,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1100988824] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:45:27,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957909148] [2024-11-14 02:45:27,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:45:27,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:45:27,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:45:27,121 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 02:45:27,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 02:45:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:45:27,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-14 02:45:27,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:45:29,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 663 proven. 24 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2024-11-14 02:45:29,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:45:30,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957909148] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 02:45:30,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2024-11-14 02:45:30,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 9, 6, 9] total 16 [2024-11-14 02:45:30,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100573389] [2024-11-14 02:45:30,547 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2024-11-14 02:45:30,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-14 02:45:30,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:45:30,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-14 02:45:30,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-11-14 02:45:30,552 INFO L87 Difference]: Start difference. First operand 241 states and 378 transitions. Second operand has 16 states, 16 states have (on average 7.9375) internal successors, (127), 16 states have internal predecessors, (127), 5 states have call successors, (101), 5 states have call predecessors, (101), 9 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) [2024-11-14 02:45:38,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:40,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:42,642 WARN L539 Checker$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 02:45:44,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:46,650 WARN L539 Checker$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 02:45:48,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:50,661 WARN L539 Checker$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 02:45:52,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:54,667 WARN L539 Checker$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 02:45:56,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:45:58,680 WARN L539 Checker$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 02:46:00,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:02,686 WARN L539 Checker$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 02:46:04,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:06,690 WARN L539 Checker$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 02:46:08,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:46:10,699 WARN L539 Checker$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 02:46:12,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:46:12,982 INFO L93 Difference]: Finished difference Result 695 states and 1040 transitions. [2024-11-14 02:46:12,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-14 02:46:12,983 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 16 states have internal predecessors, (127), 5 states have call successors, (101), 5 states have call predecessors, (101), 9 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) Word has length 193 [2024-11-14 02:46:12,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:46:12,990 INFO L225 Difference]: With dead ends: 695 [2024-11-14 02:46:12,990 INFO L226 Difference]: Without dead ends: 457 [2024-11-14 02:46:12,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1040 GetRequests, 986 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 778 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=642, Invalid=2220, Unknown=0, NotChecked=0, Total=2862 [2024-11-14 02:46:12,994 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 486 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 345 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2024-11-14 02:46:12,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 497 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [345 Valid, 582 Invalid, 17 Unknown, 0 Unchecked, 39.0s Time] [2024-11-14 02:46:12,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-14 02:46:13,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 245. [2024-11-14 02:46:13,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 168 states have (on average 1.2916666666666667) internal successors, (217), 169 states have internal predecessors, (217), 65 states have call successors, (65), 11 states have call predecessors, (65), 11 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-14 02:46:13,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 347 transitions. [2024-11-14 02:46:13,064 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 347 transitions. Word has length 193 [2024-11-14 02:46:13,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:46:13,065 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 347 transitions. [2024-11-14 02:46:13,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.9375) internal successors, (127), 16 states have internal predecessors, (127), 5 states have call successors, (101), 5 states have call predecessors, (101), 9 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) [2024-11-14 02:46:13,065 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 347 transitions. [2024-11-14 02:46:13,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-14 02:46:13,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:46:13,069 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:46:13,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-14 02:46:13,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-14 02:46:13,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-14 02:46:13,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 02:46:13,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:46:13,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:46:13,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1388762241, now seen corresponding path program 1 times [2024-11-14 02:46:13,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:46:13,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [436396018] [2024-11-14 02:46:13,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:13,672 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 02:46:13,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:46:13,674 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/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 02:46:13,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-14 02:46:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:14,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-14 02:46:14,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:46:21,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 36 proven. 884 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2024-11-14 02:46:21,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 02:46:23,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 36 proven. 51 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2024-11-14 02:46:23,305 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:46:23,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [436396018] [2024-11-14 02:46:23,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [436396018] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 02:46:23,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1416975423] [2024-11-14 02:46:23,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:46:23,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 02:46:23,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 02:46:23,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 02:46:23,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de334ab2-d5f0-4705-9d92-01c5076fbafd/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-14 02:46:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:46:25,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-14 02:46:25,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:47:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 1185 proven. 108 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2024-11-14 02:47:01,390 INFO L311 TraceCheckSpWp]: Computing backward predicates...