./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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 a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:38:51,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:38:51,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-13 23:38:51,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:38:51,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:38:51,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:38:51,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:38:51,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:38:51,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:38:51,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:38:51,646 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:38:51,646 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:38:51,646 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:38:51,646 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-13 23:38:51,647 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:38:51,647 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:38:51,648 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-13 23:38:51,649 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-13 23:38:51,649 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:38:51,649 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-13 23:38:51,649 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-13 23:38:51,649 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-13 23:38:51,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:38:51,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:38:51,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:38:51,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:38:51,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:38:51,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:38:51,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:38:51,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:38:51,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:38:51,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:38:51,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:38:51,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:38:51,651 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:38:51,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:38:51,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:38:51,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:38:51,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:38:51,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:38:51,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:38:51,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:38:51,652 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-13 23:38:51,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:38:51,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:38:51,652 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:38:51,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 23:38:51,652 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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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 -> a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 [2024-11-13 23:38:51,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:38:52,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:38:52,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:38:52,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:38:52,004 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:38:52,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i Unable to find full path for "g++" [2024-11-13 23:38:54,260 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:38:54,565 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:38:54,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i [2024-11-13 23:38:54,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/data/e226c6b37/fa55cd23766f4f7dba99a91a956ab96e/FLAGa55affb17 [2024-11-13 23:38:54,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/data/e226c6b37/fa55cd23766f4f7dba99a91a956ab96e [2024-11-13 23:38:54,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:38:54,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:38:54,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:38:54,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:38:54,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:38:54,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:38:54" (1/1) ... [2024-11-13 23:38:54,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a203221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:54, skipping insertion in model container [2024-11-13 23:38:54,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:38:54" (1/1) ... [2024-11-13 23:38:54,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:38:54,861 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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i[915,928] [2024-11-13 23:38:54,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:38:54,937 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:38:54,952 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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i[915,928] [2024-11-13 23:38:54,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:38:55,012 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:38:55,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55 WrapperNode [2024-11-13 23:38:55,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:38:55,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:38:55,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:38:55,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:38:55,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,038 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,100 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2024-11-13 23:38:55,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:38:55,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:38:55,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:38:55,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:38:55,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,139 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:38:55,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:38:55,145 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:38:55,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:38:55,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (1/1) ... [2024-11-13 23:38:55,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:38:55,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:38:55,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:38:55,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:38:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:38:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:38:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:38:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:38:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:38:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:38:55,354 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:38:55,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:38:55,831 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 23:38:55,831 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:38:55,954 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:38:55,955 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:38:55,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:38:55 BoogieIcfgContainer [2024-11-13 23:38:55,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:38:55,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:38:55,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:38:55,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:38:55,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:38:54" (1/3) ... [2024-11-13 23:38:55,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10978d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:38:55, skipping insertion in model container [2024-11-13 23:38:55,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:38:55" (2/3) ... [2024-11-13 23:38:55,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10978d85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:38:55, skipping insertion in model container [2024-11-13 23:38:55,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:38:55" (3/3) ... [2024-11-13 23:38:55,970 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-24.i [2024-11-13 23:38:55,993 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:38:55,994 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-24.i that has 2 procedures, 33 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:38:56,051 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:38:56,068 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;@43787fad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:38:56,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:38:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 23:38:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:38:56,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:38:56,085 INFO L215 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:38:56,086 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:38:56,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:38:56,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1940370883, now seen corresponding path program 1 times [2024-11-13 23:38:56,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-13 23:38:56,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535962126] [2024-11-13 23:38:56,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:38:56,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:38:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:38:56,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:38:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:38:56,872 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-13 23:38:56,874 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 23:38:56,876 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 23:38:56,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 23:38:56,888 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 23:38:56,963 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 23:38:56,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:38:56 BoogieIcfgContainer [2024-11-13 23:38:56,969 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 23:38:56,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:38:56,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:38:56,972 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:38:56,972 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:38:55" (3/4) ... [2024-11-13 23:38:56,975 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:38:56,975 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:38:56,976 INFO L158 Benchmark]: Toolchain (without parser) took 2374.06ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 63.5MB in the end (delta: 28.0MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-13 23:38:56,977 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:38:56,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.70ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 79.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:38:56,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.19ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:38:56,978 INFO L158 Benchmark]: Boogie Preprocessor took 43.40ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:38:56,978 INFO L158 Benchmark]: RCFGBuilder took 810.28ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 51.6MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:38:56,979 INFO L158 Benchmark]: TraceAbstraction took 1011.40ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 63.5MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:38:56,979 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 63.5MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:38:56,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.70ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 79.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.19ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.40ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 810.28ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 51.6MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1011.40ms. Allocated memory is still 117.4MB. Free memory was 51.3MB in the beginning and 63.5MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 63.5MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 37. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 127.1; [L25] signed char var_1_4 = 16; [L26] signed char var_1_5 = 4; [L27] unsigned char var_1_6 = 8; [L28] float var_1_7 = 1000000.6; [L29] unsigned char var_1_8 = 64; [L30] unsigned char var_1_9 = 64; [L31] unsigned char var_1_10 = 128; [L32] unsigned char var_1_11 = 32; [L33] float var_1_12 = 16.8; [L92] isInitial = 1 [L93] FCALL initially() [L94] COND TRUE 1 [L95] FCALL updateLastVariables() [L96] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L62] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L63] var_1_3 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L65] var_1_4 = __VERIFIER_nondet_char() [L66] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L67] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L68] var_1_5 = __VERIFIER_nondet_char() [L69] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L70] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L71] var_1_7 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=64, var_1_9=64] [L73] var_1_8 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_8 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=64] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 >= 63) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=64] [L75] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=64] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=64] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=330] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_9 >= 64) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=330] [L78] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=330] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=330] [L79] var_1_10 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=457, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=330] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, var_1_10=457, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=330] [L81] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=457, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=330] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=457, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=330] [L82] var_1_12 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=457, var_1_11=32, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=330] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=457, var_1_11=32, var_1_1=32, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=8, var_1_8=127, var_1_9=330] [L96] RET updateVariables() [L97] CALL step() [L37] COND TRUE var_1_2 || (64.75f < var_1_3) [L38] COND TRUE \read(var_1_2) [L39] var_1_1 = (var_1_4 - var_1_5) [L46] COND TRUE var_1_3 <= var_1_7 [L47] var_1_6 = ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5) [L51] COND TRUE ((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10 [L52] COND TRUE var_1_3 == (var_1_7 + var_1_12) [L53] var_1_11 = (var_1_9 + var_1_5) [L97] RET step() [L98] CALL, EXPR property() [L88-L89] return (((var_1_2 || (64.75f < var_1_3)) ? (var_1_2 ? (var_1_1 == ((signed char) (var_1_4 - var_1_5))) : (var_1_1 == ((signed char) var_1_4))) : (var_1_1 == ((signed char) var_1_5))) && ((var_1_3 <= var_1_7) ? (var_1_6 == ((unsigned char) ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5))) : (var_1_6 == ((unsigned char) var_1_10)))) && ((((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) ? ((var_1_3 == (var_1_7 + var_1_12)) ? (var_1_11 == ((unsigned char) (var_1_9 + var_1_5))) : (var_1_11 == ((unsigned char) var_1_9))) : 1) ; [L98] RET, EXPR property() [L98] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=457, var_1_11=138, var_1_1=-1, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=137, var_1_8=127, var_1_9=330] [L19] reach_error() VAL [isInitial=1, var_1_10=457, var_1_11=138, var_1_1=-1, var_1_2=1, var_1_4=63, var_1_5=64, var_1_6=137, var_1_8=127, var_1_9=330] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 15, 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=33occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:38:57,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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 a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:39:00,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:39:00,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-13 23:39:00,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:39:00,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 23:39:00,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:39:00,620 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 23:39:00,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 23:39:00,621 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:39:00,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 23:39:00,622 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-13 23:39:00,623 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-13 23:39:00,624 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-13 23:39:00,624 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-13 23:39:00,624 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-13 23:39:00,624 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-13 23:39:00,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:39:00,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:39:00,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:39:00,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:39:00,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:39:00,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:39:00,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:39:00,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:39:00,625 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:39:00,626 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:39:00,626 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:39:00,626 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:39:00,626 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:39:00,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:39:00,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:39:00,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:39:00,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 23:39:00,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 23:39:00,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 23:39:00,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:39:00,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:39:00,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:39:00,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:39:00,629 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:39:00,629 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:39:00,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 23:39:00,629 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-13 23:39:00,629 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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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 -> a73084f948d8d41cfb02b0d66925e7d51321bd31c6c12132e74a6ec99c997905 [2024-11-13 23:39:01,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:39:01,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:39:01,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:39:01,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:39:01,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:39:01,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i Unable to find full path for "g++" [2024-11-13 23:39:03,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:39:03,561 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:39:03,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i [2024-11-13 23:39:03,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/data/829c7245f/c59eed243b4249cbbf7aad1517536bae/FLAG2126598db [2024-11-13 23:39:03,606 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/data/829c7245f/c59eed243b4249cbbf7aad1517536bae [2024-11-13 23:39:03,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:39:03,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:39:03,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:39:03,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:39:03,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:39:03,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:03" (1/1) ... [2024-11-13 23:39:03,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652cfc9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:03, skipping insertion in model container [2024-11-13 23:39:03,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:03" (1/1) ... [2024-11-13 23:39:03,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:39:03,855 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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i[915,928] [2024-11-13 23:39:03,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:39:03,976 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:39:03,992 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_34648be9-a4e1-4c3a-b409-2bba6830ad7a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-24.i[915,928] [2024-11-13 23:39:04,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:39:04,067 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:39:04,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04 WrapperNode [2024-11-13 23:39:04,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:39:04,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:39:04,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:39:04,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:39:04,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,139 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2024-11-13 23:39:04,139 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:39:04,140 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:39:04,140 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:39:04,140 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:39:04,152 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:39:04,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:39:04,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:39:04,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:39:04,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (1/1) ... [2024-11-13 23:39:04,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 23:39:04,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-13 23:39:04,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-13 23:39:04,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-13 23:39:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:39:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:39:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:39:04,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:39:04,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:39:04,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:39:04,344 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:39:04,346 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:39:04,852 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 23:39:04,852 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:39:04,865 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:39:04,866 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:39:04,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:04 BoogieIcfgContainer [2024-11-13 23:39:04,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:39:04,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 23:39:04,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 23:39:04,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 23:39:04,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:39:03" (1/3) ... [2024-11-13 23:39:04,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21336e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:04, skipping insertion in model container [2024-11-13 23:39:04,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:04" (2/3) ... [2024-11-13 23:39:04,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21336e11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:04, skipping insertion in model container [2024-11-13 23:39:04,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:04" (3/3) ... [2024-11-13 23:39:04,879 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-24.i [2024-11-13 23:39:04,899 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 23:39:04,901 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-24.i that has 2 procedures, 48 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 23:39:04,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 23:39:04,993 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;@6bc749d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 23:39:04,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 23:39:04,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 31 states have internal predecessors, (40), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-13 23:39:05,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 23:39:05,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 23:39:05,012 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 23:39:05,012 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 23:39:05,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:39:05,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1661994309, now seen corresponding path program 1 times [2024-11-13 23:39:05,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-13 23:39:05,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196769683] [2024-11-13 23:39:05,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 23:39:05,038 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 [2024-11-13 23:39:05,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-13 23:39:05,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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) [2024-11-13 23:39:05,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34648be9-a4e1-4c3a-b409-2bba6830ad7a/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 [2024-11-13 23:39:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:39:05,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:39:05,509 INFO L278 TraceCheckSpWp]: Computing forward predicates...