./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fdcd3512df6d69f703fae7a0feb23c8c8183f92df695aec3643d46209d63489 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:08:42,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:08:42,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:08:42,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:08:42,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:08:42,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:08:42,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:08:42,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:08:42,132 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:08:42,132 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:08:42,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:08:42,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:08:42,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:08:42,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:08:42,133 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:08:42,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:08:42,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:08:42,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:08:42,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:08:42,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:08:42,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:08:42,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:08:42,134 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:08:42,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:08:42,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:08:42,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:08:42,135 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:08:42,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:08:42,135 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:08:42,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:08:42,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:08:42,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:08:42,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:42,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:08:42,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:08:42,136 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:08:42,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:08:42,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:42,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:08:42,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:08:42,136 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:08:42,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:08:42,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:08:42,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:08:42,137 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:08:42,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:08:42,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:08:42,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:08:42,137 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> 5fdcd3512df6d69f703fae7a0feb23c8c8183f92df695aec3643d46209d63489 [2024-11-24 00:08:42,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:08:42,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:08:42,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:08:42,460 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:08:42,461 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:08:42,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i [2024-11-24 00:08:45,370 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/data/89e72fc0e/d0b8600f38d6491787cde074931bde03/FLAG55455db5e [2024-11-24 00:08:45,662 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:08:45,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i [2024-11-24 00:08:45,677 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/data/89e72fc0e/d0b8600f38d6491787cde074931bde03/FLAG55455db5e [2024-11-24 00:08:45,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/data/89e72fc0e/d0b8600f38d6491787cde074931bde03 [2024-11-24 00:08:45,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:08:45,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:08:45,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:08:45,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:08:45,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:08:45,706 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:45,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c9f980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45, skipping insertion in model container [2024-11-24 00:08:45,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:45,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:08:45,900 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_72a7ade2-c967-4eaf-bad4-6e82d40dd876/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i[915,928] [2024-11-24 00:08:45,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:08:45,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:08:45,963 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_72a7ade2-c967-4eaf-bad4-6e82d40dd876/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i[915,928] [2024-11-24 00:08:45,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:08:45,999 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:08:46,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45 WrapperNode [2024-11-24 00:08:46,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:08:46,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:08:46,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:08:46,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:08:46,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,044 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-24 00:08:46,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:08:46,047 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:08:46,047 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:08:46,047 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:08:46,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,055 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,067 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:08:46,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,074 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,080 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,083 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:08:46,084 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:08:46,084 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:08:46,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:08:46,085 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (1/1) ... [2024-11-24 00:08:46,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:46,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:08:46,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:08:46,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:08:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:08:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:08:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:08:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:08:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:08:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:08:46,211 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:08:46,213 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:08:46,423 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 00:08:46,423 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:08:46,433 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:08:46,433 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:08:46,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:08:46 BoogieIcfgContainer [2024-11-24 00:08:46,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:08:46,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:08:46,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:08:46,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:08:46,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:08:45" (1/3) ... [2024-11-24 00:08:46,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d702822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:08:46, skipping insertion in model container [2024-11-24 00:08:46,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:45" (2/3) ... [2024-11-24 00:08:46,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d702822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:08:46, skipping insertion in model container [2024-11-24 00:08:46,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:08:46" (3/3) ... [2024-11-24 00:08:46,443 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-93.i [2024-11-24 00:08:46,459 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:08:46,461 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-93.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:08:46,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:08:46,545 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=PETRI_NET, 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;@501e1fbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:08:46,546 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:08:46,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:08:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 00:08:46,560 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:08:46,561 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:08:46,562 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:08:46,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:08:46,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1212608925, now seen corresponding path program 1 times [2024-11-24 00:08:46,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:08:46,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296953711] [2024-11-24 00:08:46,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:08:46,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:08:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:08:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-24 00:08:46,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:08:46,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296953711] [2024-11-24 00:08:46,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296953711] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:08:46,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676448085] [2024-11-24 00:08:46,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:08:46,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:08:46,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:08:46,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:08:46,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:08:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:08:47,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:08:47,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:08:47,203 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-24 00:08:47,203 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:08:47,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676448085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:08:47,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:08:47,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:08:47,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500949878] [2024-11-24 00:08:47,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:08:47,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:08:47,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:08:47,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:08:47,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:08:47,236 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 00:08:47,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:08:47,256 INFO L93 Difference]: Finished difference Result 101 states and 172 transitions. [2024-11-24 00:08:47,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:08:47,258 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-24 00:08:47,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:08:47,267 INFO L225 Difference]: With dead ends: 101 [2024-11-24 00:08:47,267 INFO L226 Difference]: Without dead ends: 50 [2024-11-24 00:08:47,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:08:47,277 INFO L435 NwaCegarLoop]: 73 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, 73 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 [2024-11-24 00:08:47,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:08:47,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-24 00:08:47,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-24 00:08:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:08:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions. [2024-11-24 00:08:47,331 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 113 [2024-11-24 00:08:47,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:08:47,332 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions. [2024-11-24 00:08:47,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 00:08:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2024-11-24 00:08:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 00:08:47,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:08:47,337 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:08:47,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:08:47,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:08:47,538 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:08:47,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:08:47,538 INFO L85 PathProgramCache]: Analyzing trace with hash 953632093, now seen corresponding path program 1 times [2024-11-24 00:08:47,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:08:47,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863794453] [2024-11-24 00:08:47,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:08:47,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:08:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:08:47,684 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:08:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:08:47,866 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:08:47,867 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:08:47,868 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:08:47,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:08:47,873 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 00:08:47,958 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:08:47,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:08:47 BoogieIcfgContainer [2024-11-24 00:08:47,961 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:08:47,962 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:08:47,962 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:08:47,962 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:08:47,963 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:08:46" (3/4) ... [2024-11-24 00:08:47,965 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:08:47,965 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:08:47,966 INFO L158 Benchmark]: Toolchain (without parser) took 2268.65ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 76.8MB in the end (delta: 42.5MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-24 00:08:47,967 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 838.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:08:47,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.18ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 106.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:08:47,967 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.55ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:08:47,968 INFO L158 Benchmark]: Boogie Preprocessor took 36.04ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:08:47,968 INFO L158 Benchmark]: RCFGBuilder took 350.25ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 88.5MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:08:47,968 INFO L158 Benchmark]: TraceAbstraction took 1525.33ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 76.8MB in the end (delta: 11.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-24 00:08:47,969 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory is still 76.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:08:47,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 838.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.18ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 106.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.55ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 105.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.04ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 350.25ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 88.5MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1525.33ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 76.8MB in the end (delta: 11.1MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 142.6MB. Free memory is still 76.8MB. 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 101, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 57, overapproximation of someUnaryDOUBLEoperation at line 23, overapproximation of someBinaryDOUBLEComparisonOperation at line 73, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.3; [L23] double var_1_3 = -0.9; [L24] double var_1_4 = 2.6; [L25] double var_1_5 = 128.5; [L26] float var_1_7 = 1.25; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 1; [L29] unsigned char var_1_10 = 0; [L30] signed char var_1_11 = -1; [L31] signed char var_1_12 = -10; [L32] signed char var_1_13 = -32; [L33] signed char var_1_14 = -2; [L34] unsigned long int var_1_15 = 500; [L35] unsigned long int var_1_16 = 16; [L36] float last_1_var_1_1 = 255.3; [L37] unsigned char last_1_var_1_8 = 0; VAL [isInitial=0, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L105] isInitial = 1 [L106] FCALL initially() [L108] CALL updateLastVariables() [L97] last_1_var_1_1 = var_1_1 [L98] last_1_var_1_8 = var_1_8 VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L67] var_1_3 = __VERIFIER_nondet_double() [L68] 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, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L68] 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, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L69] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L69] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_4=13/5, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L70] var_1_4 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L71] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_5=257/2, var_1_7=5/4, var_1_8=0, var_1_9=1] [L72] var_1_5 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L73] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L74] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L74] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_7=5/4, var_1_8=0, var_1_9=1] [L75] var_1_7 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L76] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L77] var_1_9 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L78] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L79] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L79] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L80] var_1_10 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L81] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L82] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L82] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=-10, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L83] var_1_12 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L84] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L85] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L85] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=-32, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L86] var_1_13 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L88] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=-2, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L89] var_1_14 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L91] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=16, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L92] var_1_16 = __VERIFIER_nondet_ulong() [L93] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_16 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=-2, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=-2, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_16 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=-2, var_1_1=2553/10, var_1_8=0, var_1_9=1] [L109] RET updateVariables() [L110] CALL step() [L41] COND FALSE !(((- last_1_var_1_1) / var_1_3) != (var_1_4 / var_1_5)) [L48] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=0, var_1_9=1] [L50] COND FALSE !(var_1_1 != var_1_1) [L55] var_1_8 = (! var_1_10) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=-1, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L57] COND FALSE !(var_1_1 < var_1_1) [L62] var_1_11 = (var_1_13 + var_1_14) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=126, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=500, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L64] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=126, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L110] RET step() [L111] CALL, EXPR property() [L101-L102] return ((((((- last_1_var_1_1) / var_1_3) != (var_1_4 / var_1_5)) ? (last_1_var_1_8 ? (var_1_1 == ((float) var_1_7)) : (var_1_1 == ((float) var_1_7))) : (var_1_1 == ((float) var_1_7))) && ((var_1_1 != var_1_1) ? ((var_1_1 < (var_1_1 * 15.25)) ? (var_1_8 == ((unsigned char) (! var_1_9))) : 1) : (var_1_8 == ((unsigned char) (! var_1_10))))) && ((var_1_1 < var_1_1) ? (var_1_10 ? (var_1_11 == ((signed char) var_1_12)) : 1) : (var_1_11 == ((signed char) (var_1_13 + var_1_14))))) && (var_1_15 == ((unsigned long int) var_1_16)) ; VAL [\result=0, isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=126, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=126, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=2553/10, last_1_var_1_8=0, var_1_10=0, var_1_11=126, var_1_12=125, var_1_13=63, var_1_14=63, var_1_15=-2, var_1_16=-2, var_1_1=505, var_1_7=505, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 73 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:08:47,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5fdcd3512df6d69f703fae7a0feb23c8c8183f92df695aec3643d46209d63489 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:08:50,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:08:50,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:08:50,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:08:50,669 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:08:50,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:08:50,699 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:08:50,700 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:08:50,700 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:08:50,700 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:08:50,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:08:50,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:08:50,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:08:50,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:08:50,701 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:08:50,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:08:50,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:08:50,701 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:08:50,701 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:08:50,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:08:50,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:08:50,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:08:50,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:08:50,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:08:50,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:08:50,702 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:08:50,702 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:08:50,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:08:50,702 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:08:50,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:08:50,703 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:08:50,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:08:50,703 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:08:50,703 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:08:50,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:50,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:08:50,703 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:08:50,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:08:50,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:08:50,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:50,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:08:50,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:08:50,706 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:08:50,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:08:50,706 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:08:50,706 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:08:50,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:08:50,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:08:50,707 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:08:50,707 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:08:50,707 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC 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 -> Automizer 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 -> 5fdcd3512df6d69f703fae7a0feb23c8c8183f92df695aec3643d46209d63489 [2024-11-24 00:08:51,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:08:51,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:08:51,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:08:51,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:08:51,070 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:08:51,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i [2024-11-24 00:08:54,047 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/data/3707e9d95/de5155a28fbc49c2b1a4b793dea12a9c/FLAGc1365735f [2024-11-24 00:08:54,333 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:08:54,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i [2024-11-24 00:08:54,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/data/3707e9d95/de5155a28fbc49c2b1a4b793dea12a9c/FLAGc1365735f [2024-11-24 00:08:54,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/data/3707e9d95/de5155a28fbc49c2b1a4b793dea12a9c [2024-11-24 00:08:54,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:08:54,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:08:54,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:08:54,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:08:54,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:08:54,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:54,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef6cf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54, skipping insertion in model container [2024-11-24 00:08:54,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:54,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:08:54,806 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_72a7ade2-c967-4eaf-bad4-6e82d40dd876/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i[915,928] [2024-11-24 00:08:54,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:08:54,873 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:08:54,884 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_72a7ade2-c967-4eaf-bad4-6e82d40dd876/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-93.i[915,928] [2024-11-24 00:08:54,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:08:54,920 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:08:54,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54 WrapperNode [2024-11-24 00:08:54,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:08:54,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:08:54,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:08:54,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:08:54,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:54,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:54,977 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 113 [2024-11-24 00:08:54,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:08:54,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:08:54,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:08:54,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:08:54,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:54,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:54,994 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:55,015 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 00:08:55,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:55,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:55,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:55,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:55,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:55,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:55,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:55,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:08:55,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:08:55,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:08:55,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:08:55,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (1/1) ... [2024-11-24 00:08:55,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:08:55,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:08:55,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:08:55,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:08:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:08:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:08:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:08:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:08:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:08:55,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:08:55,218 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:08:55,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:09:05,895 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 00:09:05,895 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:09:05,911 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:09:05,911 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:09:05,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:09:05 BoogieIcfgContainer [2024-11-24 00:09:05,911 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:09:05,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:09:05,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:09:05,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:09:05,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:08:54" (1/3) ... [2024-11-24 00:09:05,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52974360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:09:05, skipping insertion in model container [2024-11-24 00:09:05,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:08:54" (2/3) ... [2024-11-24 00:09:05,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52974360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:09:05, skipping insertion in model container [2024-11-24 00:09:05,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:09:05" (3/3) ... [2024-11-24 00:09:05,920 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-93.i [2024-11-24 00:09:05,934 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:09:05,936 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-93.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:09:05,992 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:09:06,004 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=PETRI_NET, 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;@70096af4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:09:06,004 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:09:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:09:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 00:09:06,023 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:09:06,024 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:09:06,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:09:06,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:09:06,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1212608925, now seen corresponding path program 1 times [2024-11-24 00:09:06,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:09:06,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018900998] [2024-11-24 00:09:06,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:09:06,048 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 [2024-11-24 00:09:06,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:09:06,053 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:09:06,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:09:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:09:07,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:09:07,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:09:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-24 00:09:07,772 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:09:07,775 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:09:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018900998] [2024-11-24 00:09:07,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018900998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:09:07,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:09:07,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:09:07,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981113783] [2024-11-24 00:09:07,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:09:07,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:09:07,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:09:07,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:09:07,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:09:07,809 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 34 states have internal predecessors, (44), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 00:09:07,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:09:07,843 INFO L93 Difference]: Finished difference Result 100 states and 170 transitions. [2024-11-24 00:09:07,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:09:07,845 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-24 00:09:07,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:09:07,853 INFO L225 Difference]: With dead ends: 100 [2024-11-24 00:09:07,853 INFO L226 Difference]: Without dead ends: 49 [2024-11-24 00:09:07,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:09:07,862 INFO L435 NwaCegarLoop]: 70 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, 70 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 [2024-11-24 00:09:07,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:09:07,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-24 00:09:07,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-24 00:09:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:09:07,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2024-11-24 00:09:07,916 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 113 [2024-11-24 00:09:07,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:09:07,917 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2024-11-24 00:09:07,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 00:09:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2024-11-24 00:09:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-24 00:09:07,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:09:07,924 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:09:07,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:09:08,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:09:08,125 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:09:08,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:09:08,127 INFO L85 PathProgramCache]: Analyzing trace with hash 953632093, now seen corresponding path program 1 times [2024-11-24 00:09:08,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:09:08,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1278803323] [2024-11-24 00:09:08,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:09:08,130 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 [2024-11-24 00:09:08,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:09:08,132 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:09:08,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:09:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:09:09,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 00:09:09,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:09:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 267 proven. 36 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-24 00:09:41,196 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:09:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 00:09:53,906 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:09:53,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1278803323] [2024-11-24 00:09:53,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1278803323] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:09:53,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:09:53,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-24 00:09:53,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180474303] [2024-11-24 00:09:53,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:09:53,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 00:09:53,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:09:53,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 00:09:53,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:09:53,911 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 00:09:58,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:10:02,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:10:06,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:10:11,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:11,446 INFO L93 Difference]: Finished difference Result 85 states and 114 transitions. [2024-11-24 00:10:11,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 00:10:11,447 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 113 [2024-11-24 00:10:11,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:10:11,451 INFO L225 Difference]: With dead ends: 85 [2024-11-24 00:10:11,451 INFO L226 Difference]: Without dead ends: 83 [2024-11-24 00:10:11,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:10:11,458 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 71 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 22 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:10:11,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 310 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 72 Invalid, 3 Unknown, 0 Unchecked, 16.6s Time] [2024-11-24 00:10:11,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-24 00:10:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 67. [2024-11-24 00:10:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 42 states have internal predecessors, (46), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-24 00:10:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions. [2024-11-24 00:10:11,492 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 113 [2024-11-24 00:10:11,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:10:11,493 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions. [2024-11-24 00:10:11,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 00:10:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2024-11-24 00:10:11,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 00:10:11,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:10:11,496 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:10:11,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:10:11,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:10:11,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:10:11,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:10:11,697 INFO L85 PathProgramCache]: Analyzing trace with hash -2046578089, now seen corresponding path program 1 times [2024-11-24 00:10:11,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:10:11,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4897815] [2024-11-24 00:10:11,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:10:11,698 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 [2024-11-24 00:10:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:10:11,700 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:10:11,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 00:10:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:10:13,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 00:10:13,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:10:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 15 proven. 288 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2024-11-24 00:10:23,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:10:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-11-24 00:10:26,526 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:10:26,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4897815] [2024-11-24 00:10:26,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4897815] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:10:26,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:10:26,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-24 00:10:26,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469011398] [2024-11-24 00:10:26,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:10:26,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:10:26,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:10:26,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:10:26,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:10:26,530 INFO L87 Difference]: Start difference. First operand 67 states and 92 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-24 00:10:35,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:10:39,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:10:43,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:10:47,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:10:52,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:10:56,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 00:10:57,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:10:57,209 INFO L93 Difference]: Finished difference Result 120 states and 163 transitions. [2024-11-24 00:10:57,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:10:57,219 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 114 [2024-11-24 00:10:57,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:10:57,220 INFO L225 Difference]: With dead ends: 120 [2024-11-24 00:10:57,220 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:10:57,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2024-11-24 00:10:57,222 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 98 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 97 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:10:57,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 74 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 117 Invalid, 6 Unknown, 0 Unchecked, 28.4s Time] [2024-11-24 00:10:57,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:10:57,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:10:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:10:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:10:57,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2024-11-24 00:10:57,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:10:57,223 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:10:57,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 4 states have call successors, (36), 3 states have call predecessors, (36), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-24 00:10:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:10:57,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:10:57,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:10:57,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-24 00:10:57,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:10:57,433 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 00:10:57,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:11:16,936 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:11:16,951 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 00:11:16,952 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 00:11:16,952 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 00:11:16,952 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 00:11:16,953 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 00:11:16,953 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 00:11:16,953 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 00:11:16,953 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 00:11:16,953 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-24 00:11:16,953 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-24 00:11:16,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:11:16 BoogieIcfgContainer [2024-11-24 00:11:16,954 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:11:16,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:11:16,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:11:16,956 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:11:16,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:09:05" (3/4) ... [2024-11-24 00:11:16,960 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:11:16,970 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-24 00:11:16,977 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-24 00:11:16,980 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 00:11:16,980 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 00:11:16,981 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:11:17,100 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:11:17,100 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:11:17,101 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:11:17,102 INFO L158 Benchmark]: Toolchain (without parser) took 142485.40ms. Allocated memory was 83.9MB in the beginning and 645.9MB in the end (delta: 562.0MB). Free memory was 60.7MB in the beginning and 584.4MB in the end (delta: -523.7MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-11-24 00:11:17,103 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory was 52.2MB in the beginning and 52.1MB in the end (delta: 106.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:11:17,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.07ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 47.2MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:11:17,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.31ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:11:17,105 INFO L158 Benchmark]: Boogie Preprocessor took 69.70ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 43.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:11:17,106 INFO L158 Benchmark]: RCFGBuilder took 10862.70ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 58.3MB in the end (delta: -15.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-11-24 00:11:17,106 INFO L158 Benchmark]: TraceAbstraction took 131041.09ms. Allocated memory was 83.9MB in the beginning and 645.9MB in the end (delta: 562.0MB). Free memory was 57.5MB in the beginning and 588.4MB in the end (delta: -530.9MB). Peak memory consumption was 314.5MB. Max. memory is 16.1GB. [2024-11-24 00:11:17,107 INFO L158 Benchmark]: Witness Printer took 145.51ms. Allocated memory is still 645.9MB. Free memory was 588.4MB in the beginning and 584.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:11:17,109 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory was 52.2MB in the beginning and 52.1MB in the end (delta: 106.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.07ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 47.2MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.31ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.70ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 43.3MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10862.70ms. Allocated memory is still 83.9MB. Free memory was 43.3MB in the beginning and 58.3MB in the end (delta: -15.0MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 131041.09ms. Allocated memory was 83.9MB in the beginning and 645.9MB in the end (delta: 562.0MB). Free memory was 57.5MB in the beginning and 588.4MB in the end (delta: -530.9MB). Peak memory consumption was 314.5MB. Max. memory is 16.1GB. * Witness Printer took 145.51ms. Allocated memory is still 645.9MB. Free memory was 588.4MB in the beginning and 584.4MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 111.5s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 48.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 169 SdHoareTripleChecker+Valid, 45.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 454 SdHoareTripleChecker+Invalid, 44.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 267 mSDsCounter, 119 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 189 IncrementalHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 119 mSolverCounterUnsat, 187 mSDtfsCounter, 189 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 572 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=2, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.6s SatisfiabilityAnalysisTime, 57.5s InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 562 ConstructedInterpolants, 0 QuantifiedInterpolants, 4329 SizeOfPredicates, 19 NumberOfNonLiveVariables, 552 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 2700/3060 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 00:11:17,331 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-24 00:11:17,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a7ade2-c967-4eaf-bad4-6e82d40dd876/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE