./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB --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 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:17:06,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:17:06,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:17:06,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:17:06,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:17:06,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:17:06,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:17:06,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:17:06,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:17:06,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:17:06,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:17:06,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:17:06,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:17:06,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:17:06,759 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:17:06,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:17:06,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:17:06,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:17:06,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:17:06,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:17:06,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:17:06,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:17:06,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:17:06,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:17:06,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:17:06,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:17:06,760 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:17:06,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:17:06,760 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:17:06,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:06,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:06,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:06,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:06,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:17:06,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:06,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:06,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:06,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:06,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:17:06,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:17:06,762 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:17:06,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:17:06,762 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:17:06,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:17:06,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:17:06,762 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:17:06,762 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:17:06,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:17:06,763 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_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 [2024-11-28 03:17:07,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:17:07,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:17:07,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:17:07,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:17:07,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:17:07,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i [2024-11-28 03:17:10,278 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/data/6cf182126/96b5ac91d91443449f8ca8b877b53c77/FLAG23725653f [2024-11-28 03:17:10,598 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:17:10,598 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i [2024-11-28 03:17:10,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/data/6cf182126/96b5ac91d91443449f8ca8b877b53c77/FLAG23725653f [2024-11-28 03:17:10,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/data/6cf182126/96b5ac91d91443449f8ca8b877b53c77 [2024-11-28 03:17:10,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:17:10,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:17:10,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:10,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:17:10,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:17:10,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:10,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4df9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10, skipping insertion in model container [2024-11-28 03:17:10,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:10,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:17:10,813 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_4414439a-0f0d-475c-ba87-13999b1ff4f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-11-28 03:17:10,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:10,857 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:17:10,867 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_4414439a-0f0d-475c-ba87-13999b1ff4f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-11-28 03:17:10,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:10,900 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:17:10,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10 WrapperNode [2024-11-28 03:17:10,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:10,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:10,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:17:10,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:17:10,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:10,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:10,946 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 75 [2024-11-28 03:17:10,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:10,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:17:10,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:17:10,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:17:10,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:10,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:10,970 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:11,001 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]. [2024-11-28 03:17:11,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:11,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:11,011 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:11,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:11,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:11,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:11,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:11,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:17:11,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:17:11,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:17:11,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:17:11,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (1/1) ... [2024-11-28 03:17:11,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:11,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:11,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:17:11,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:17:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:17:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:17:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:17:11,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:17:11,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:17:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:17:11,217 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:17:11,219 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:17:11,466 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 03:17:11,466 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:17:11,485 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:17:11,486 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:17:11,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:11 BoogieIcfgContainer [2024-11-28 03:17:11,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:17:11,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:17:11,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:17:11,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:17:11,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:10" (1/3) ... [2024-11-28 03:17:11,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba754d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:11, skipping insertion in model container [2024-11-28 03:17:11,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:10" (2/3) ... [2024-11-28 03:17:11,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba754d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:11, skipping insertion in model container [2024-11-28 03:17:11,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:11" (3/3) ... [2024-11-28 03:17:11,503 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-18.i [2024-11-28 03:17:11,523 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:17:11,525 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-18.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:17:11,612 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:17:11,628 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;@5e77bd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:17:11,629 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:17:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:17:11,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 03:17:11,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:11,644 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:11,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:17:11,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:11,650 INFO L85 PathProgramCache]: Analyzing trace with hash -2122992069, now seen corresponding path program 1 times [2024-11-28 03:17:11,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:11,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410185015] [2024-11-28 03:17:11,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:11,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 03:17:11,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:17:11,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410185015] [2024-11-28 03:17:11,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410185015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:17:11,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386441394] [2024-11-28 03:17:11,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:11,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:17:11,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:11,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:17:11,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:17:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:12,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:17:12,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 03:17:12,217 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:17:12,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386441394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:12,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:17:12,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:17:12,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076989126] [2024-11-28 03:17:12,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:12,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:17:12,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:17:12,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:17:12,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:17:12,255 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 03:17:12,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:12,274 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions. [2024-11-28 03:17:12,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:17:12,276 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2024-11-28 03:17:12,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:12,282 INFO L225 Difference]: With dead ends: 67 [2024-11-28 03:17:12,282 INFO L226 Difference]: Without dead ends: 33 [2024-11-28 03:17:12,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:17:12,289 INFO L435 NwaCegarLoop]: 43 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, 43 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 [2024-11-28 03:17:12,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:17:12,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-28 03:17:12,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-28 03:17:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:17:12,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2024-11-28 03:17:12,366 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 67 [2024-11-28 03:17:12,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:12,366 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-11-28 03:17:12,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 03:17:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-28 03:17:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 03:17:12,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:12,373 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:12,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:17:12,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 03:17:12,574 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:17:12,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:12,575 INFO L85 PathProgramCache]: Analyzing trace with hash 2083048059, now seen corresponding path program 1 times [2024-11-28 03:17:12,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:17:12,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795721677] [2024-11-28 03:17:12,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:12,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:17:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:17:12,703 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:17:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:17:12,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:17:12,794 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:17:12,799 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:17:12,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:17:12,805 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 03:17:12,858 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:17:12,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:17:12 BoogieIcfgContainer [2024-11-28 03:17:12,863 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:17:12,863 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:17:12,863 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:17:12,864 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:17:12,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:11" (3/4) ... [2024-11-28 03:17:12,867 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:17:12,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:17:12,870 INFO L158 Benchmark]: Toolchain (without parser) took 2240.74ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 77.2MB in the end (delta: 15.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-28 03:17:12,870 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:17:12,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.09ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.1MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:17:12,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.50ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:17:12,871 INFO L158 Benchmark]: Boogie Preprocessor took 79.36ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:17:12,872 INFO L158 Benchmark]: RCFGBuilder took 457.64ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 66.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:17:12,872 INFO L158 Benchmark]: TraceAbstraction took 1371.06ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 77.2MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:17:12,872 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 77.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:17:12,875 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.09ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.1MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.50ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.6MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.36ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.64ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 66.5MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1371.06ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 77.2MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 77.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] double var_1_2 = 24.75; [L24] double var_1_3 = 16.7; [L25] double var_1_4 = 0.8; [L26] signed short int var_1_5 = -1; [L27] signed short int var_1_6 = 4; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; VAL [isInitial=0, var_1_1=-1, var_1_2=99/4, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L65] isInitial = 1 [L66] FCALL initially() [L68] FCALL updateLastVariables() [L69] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_double() [L42] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L42] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=-1, var_1_3=167/10, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L43] var_1_3 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L44] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L45] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L45] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, var_1_1=-1, var_1_4=4/5, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L46] var_1_4 = __VERIFIER_nondet_double() [L47] 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, var_1_1=-1, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L47] 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, var_1_1=-1, var_1_5=-1, var_1_6=4, var_1_7=0, var_1_8=1] [L48] var_1_5 = __VERIFIER_nondet_short() [L49] CALL assume_abort_if_not(var_1_5 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L49] RET assume_abort_if_not(var_1_5 >= -16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L50] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L50] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L51] var_1_6 = __VERIFIER_nondet_short() [L52] CALL assume_abort_if_not(var_1_6 >= -16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L52] RET assume_abort_if_not(var_1_6 >= -16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L53] CALL assume_abort_if_not(var_1_6 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L53] RET assume_abort_if_not(var_1_6 <= 16383) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=1] [L54] var_1_8 = __VERIFIER_nondet_uchar() [L55] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L55] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L56] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L56] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_1=-1, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L69] RET updateVariables() [L70] CALL step() [L33] COND TRUE (var_1_2 + (15.3 / var_1_3)) > (- var_1_4) [L34] var_1_1 = (var_1_5 + var_1_6) VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=0, var_1_8=-255] [L38] var_1_7 = var_1_8 VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] [L70] RET step() [L71] CALL, EXPR property() [L61-L62] return (((var_1_2 + (15.3 / var_1_3)) > (- var_1_4)) ? (var_1_1 == ((signed short int) (var_1_5 + var_1_6))) : (var_1_1 == ((signed short int) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5)))))) && (var_1_7 == ((unsigned char) var_1_8)) ; VAL [\result=0, isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] [L71] RET, EXPR property() [L71] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] [L19] reach_error() VAL [isInitial=1, var_1_1=9, var_1_5=5, var_1_6=4, var_1_7=-255, var_1_8=-255] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 10, 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, 43 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, 43 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 132 SizeOfPredicates, 0 NumberOfNonLiveVariables, 160 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 342/360 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 [2024-11-28 03:17:12,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB --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 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:17:15,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:17:16,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:17:16,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:17:16,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:17:16,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:17:16,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:17:16,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:17:16,144 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:17:16,144 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:17:16,144 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:17:16,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:17:16,145 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:17:16,146 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:17:16,147 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:17:16,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:17:16,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:17:16,148 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:17:16,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:17:16,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:17:16,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:17:16,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:17:16,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:17:16,149 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:17:16,149 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:17:16,149 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:17:16,149 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:17:16,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:17:16,149 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:17:16,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:17:16,150 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:17:16,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:16,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:16,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:16,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:16,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:17:16,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:17:16,151 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:17:16,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:17:16,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:16,152 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:17:16,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:17:16,152 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:17:16,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:17:16,152 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:17:16,152 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:17:16,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:17:16,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:17:16,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:17:16,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:17:16,153 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_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 09678c77438823f5421658f269ea899b63adcdec9e9a366091e7381adf928989 [2024-11-28 03:17:16,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:17:16,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:17:16,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:17:16,561 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:17:16,561 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:17:16,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i [2024-11-28 03:17:19,668 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/data/8c284951e/c685148a0c7446c883ac7e33111fbb1b/FLAG7f21fc647 [2024-11-28 03:17:19,982 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:17:19,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i [2024-11-28 03:17:20,008 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/data/8c284951e/c685148a0c7446c883ac7e33111fbb1b/FLAG7f21fc647 [2024-11-28 03:17:20,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/data/8c284951e/c685148a0c7446c883ac7e33111fbb1b [2024-11-28 03:17:20,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:17:20,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:17:20,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:20,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:17:20,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:17:20,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3480b45b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20, skipping insertion in model container [2024-11-28 03:17:20,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,090 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:17:20,294 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_4414439a-0f0d-475c-ba87-13999b1ff4f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-11-28 03:17:20,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:20,381 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:17:20,395 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_4414439a-0f0d-475c-ba87-13999b1ff4f7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-18.i[915,928] [2024-11-28 03:17:20,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:17:20,460 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:17:20,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20 WrapperNode [2024-11-28 03:17:20,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:17:20,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:20,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:17:20,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:17:20,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,529 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2024-11-28 03:17:20,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:17:20,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:17:20,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:17:20,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:17:20,543 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,547 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,559 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]. [2024-11-28 03:17:20,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,568 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,580 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:17:20,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:17:20,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:17:20,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:17:20,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (1/1) ... [2024-11-28 03:17:20,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:17:20,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:17:20,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:17:20,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:17:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:17:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:17:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:17:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:17:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:17:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:17:20,709 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:17:20,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:17:33,253 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 03:17:33,253 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:17:33,266 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:17:33,266 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:17:33,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:33 BoogieIcfgContainer [2024-11-28 03:17:33,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:17:33,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:17:33,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:17:33,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:17:33,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:20" (1/3) ... [2024-11-28 03:17:33,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e685d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:33, skipping insertion in model container [2024-11-28 03:17:33,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:20" (2/3) ... [2024-11-28 03:17:33,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e685d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:33, skipping insertion in model container [2024-11-28 03:17:33,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:33" (3/3) ... [2024-11-28 03:17:33,285 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-18.i [2024-11-28 03:17:33,302 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:17:33,304 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-18.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:17:33,384 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:17:33,397 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;@70641a82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:17:33,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:17:33,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:17:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 03:17:33,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:33,412 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:33,413 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:17:33,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:33,420 INFO L85 PathProgramCache]: Analyzing trace with hash -2122992069, now seen corresponding path program 1 times [2024-11-28 03:17:33,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:17:33,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072056636] [2024-11-28 03:17:33,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:33,438 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 [2024-11-28 03:17:33,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:17:33,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:17:33,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:17:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:34,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:17:34,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-28 03:17:34,568 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:17:34,572 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:17:34,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072056636] [2024-11-28 03:17:34,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072056636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:17:34,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:17:34,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:17:34,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662261656] [2024-11-28 03:17:34,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:17:34,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:17:34,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:17:34,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:17:34,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:17:34,609 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 03:17:34,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:17:34,641 INFO L93 Difference]: Finished difference Result 67 states and 104 transitions. [2024-11-28 03:17:34,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:17:34,643 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-28 03:17:34,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:17:34,651 INFO L225 Difference]: With dead ends: 67 [2024-11-28 03:17:34,652 INFO L226 Difference]: Without dead ends: 33 [2024-11-28 03:17:34,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:17:34,663 INFO L435 NwaCegarLoop]: 43 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, 43 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 [2024-11-28 03:17:34,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:17:34,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-28 03:17:34,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-28 03:17:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:17:34,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2024-11-28 03:17:34,724 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 67 [2024-11-28 03:17:34,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:17:34,725 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2024-11-28 03:17:34,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 03:17:34,726 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2024-11-28 03:17:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 03:17:34,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:17:34,729 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:17:34,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:17:34,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:17:34,930 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:17:34,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:17:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2083048059, now seen corresponding path program 1 times [2024-11-28 03:17:34,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:17:34,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964998472] [2024-11-28 03:17:34,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:17:34,934 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 [2024-11-28 03:17:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:17:34,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:17:34,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:17:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:17:35,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:17:35,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:17:44,175 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:17:52,455 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:17:56,544 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from false [2024-11-28 03:18:00,619 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from true [2024-11-28 03:18:08,776 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:18:17,067 WARN L286 SmtUtils]: Spent 8.29s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:18:25,471 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:18:29,563 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from false [2024-11-28 03:18:33,636 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (= c_~var_1_1~0 ((_ extract 15 0) (bvadd ((_ sign_extend 16) c_~var_1_6~0) ((_ sign_extend 16) c_~var_1_5~0)))) (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0))) is different from true [2024-11-28 03:18:46,994 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:18:51,061 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0)))) is different from false [2024-11-28 03:19:03,346 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:19:07,426 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-11-28 03:19:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:19:07,439 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:19:07,440 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:19:07,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964998472] [2024-11-28 03:19:07,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964998472] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:19:07,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:19:07,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:19:07,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809431916] [2024-11-28 03:19:07,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:19:07,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:19:07,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:19:07,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:19:07,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-28 03:19:07,447 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 03:19:07,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:19:07,461 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2024-11-28 03:19:07,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:19:07,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-28 03:19:07,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:19:07,463 INFO L225 Difference]: With dead ends: 39 [2024-11-28 03:19:07,463 INFO L226 Difference]: Without dead ends: 37 [2024-11-28 03:19:07,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.5s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-28 03:19:07,464 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 108 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:19:07,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 108 Unchecked, 0.0s Time] [2024-11-28 03:19:07,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-28 03:19:07,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-28 03:19:07,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 03:19:07,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2024-11-28 03:19:07,474 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 67 [2024-11-28 03:19:07,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:19:07,475 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2024-11-28 03:19:07,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 03:19:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-11-28 03:19:07,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-28 03:19:07,478 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:19:07,478 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:19:07,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:19:07,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:19:07,679 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:19:07,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:19:07,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2140306361, now seen corresponding path program 1 times [2024-11-28 03:19:07,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:19:07,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1641558060] [2024-11-28 03:19:07,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:19:07,681 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 [2024-11-28 03:19:07,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:19:07,683 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 03:19:07,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:19:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:19:08,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:19:08,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:19:17,129 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:19:25,407 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:19:33,715 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:19:42,047 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:19:50,195 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:19:54,272 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from false [2024-11-28 03:19:58,345 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from true [2024-11-28 03:20:05,049 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:20:13,295 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:20:21,577 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:20:29,877 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:20:38,182 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:20:46,321 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:20:50,386 WARN L851 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from false [2024-11-28 03:20:54,457 WARN L873 $PredicateComparison]: unable to prove that (and (= c_~var_1_7~0 c_~var_1_8~0) (let ((.cse1 ((_ sign_extend 16) c_~var_1_6~0)) (.cse2 ((_ sign_extend 16) c_~var_1_5~0))) (let ((.cse0 (bvslt .cse1 .cse2))) (or (and .cse0 (= c_~var_1_1~0 ((_ extract 15 0) .cse1))) (and (not .cse0) (= c_~var_1_1~0 ((_ extract 15 0) .cse2)))))) (not (fp.gt (fp.add c_currentRoundingMode c_~var_1_2~0 (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 153.0 10.0)) c_~var_1_3~0)) (fp.neg c_~var_1_4~0)))) is different from true [2024-11-28 03:21:07,221 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:21:11,292 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)) (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0))))) is different from false [2024-11-28 03:21:23,600 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-28 03:21:27,684 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (~var_1_4~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (not (fp.gt (fp.add currentRoundingMode ~var_1_2~0 (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 153.0 10.0)) ~var_1_3~0)) (fp.neg ~var_1_4~0)))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) is different from false [2024-11-28 03:21:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-28 03:21:27,695 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:21:27,695 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:21:27,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1641558060] [2024-11-28 03:21:27,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1641558060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:21:27,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:21:27,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:21:27,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888537622] [2024-11-28 03:21:27,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:21:27,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:21:27,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:21:27,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:21:27,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-28 03:21:27,699 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 03:21:27,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:21:27,718 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2024-11-28 03:21:27,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:21:27,718 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-28 03:21:27,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:21:27,719 INFO L225 Difference]: With dead ends: 37 [2024-11-28 03:21:27,719 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 03:21:27,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.5s TimeCoverageRelationStatistics Valid=9, Invalid=3, Unknown=6, NotChecked=12, Total=30 [2024-11-28 03:21:27,720 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:21:27,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 103 Unchecked, 0.0s Time] [2024-11-28 03:21:27,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 03:21:27,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 03:21:27,722 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) [2024-11-28 03:21:27,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 03:21:27,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-11-28 03:21:27,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:21:27,722 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:21:27,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-28 03:21:27,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:21:27,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 03:21:27,725 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:21:27,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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)] Ended with exit code 0 [2024-11-28 03:21:27,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 03:21:27,929 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 03:21:27,931 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 03:21:27,959 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:21:27,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:21:27 BoogieIcfgContainer [2024-11-28 03:21:27,972 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:21:27,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:21:27,977 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:21:27,977 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:21:27,978 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:33" (3/4) ... [2024-11-28 03:21:27,981 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:21:27,989 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 03:21:27,995 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-28 03:21:27,995 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 03:21:27,996 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:21:27,996 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:21:28,103 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:21:28,103 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:21:28,103 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:21:28,104 INFO L158 Benchmark]: Toolchain (without parser) took 248049.58ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 61.4MB in the beginning and 69.3MB in the end (delta: -7.9MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2024-11-28 03:21:28,105 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:21:28,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.12ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 48.9MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:21:28,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.45ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 47.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:21:28,106 INFO L158 Benchmark]: Boogie Preprocessor took 50.42ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:21:28,108 INFO L158 Benchmark]: RCFGBuilder took 12686.80ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 33.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:21:28,108 INFO L158 Benchmark]: TraceAbstraction took 234701.30ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 33.0MB in the beginning and 73.2MB in the end (delta: -40.2MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2024-11-28 03:21:28,109 INFO L158 Benchmark]: Witness Printer took 130.25ms. Allocated memory is still 184.5MB. Free memory was 73.2MB in the beginning and 69.3MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:21:28,111 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.12ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 48.9MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.45ms. Allocated memory is still 83.9MB. Free memory was 48.9MB in the beginning and 47.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.42ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 12686.80ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 33.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 234701.30ms. Allocated memory was 83.9MB in the beginning and 184.5MB in the end (delta: 100.7MB). Free memory was 33.0MB in the beginning and 73.2MB in the end (delta: -40.2MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Witness Printer took 130.25ms. Allocated memory is still 184.5MB. Free memory was 73.2MB in the beginning and 69.3MB in the end (delta: 3.9MB). 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 - 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 234.6s, OverallIterations: 3, TraceHistogramMax: 10, 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, 284 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 211 IncrementalHoareTripleChecker+Unchecked, 157 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 127 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 49.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 230.6s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 198 ConstructedInterpolants, 4 QuantifiedInterpolants, 384 SizeOfPredicates, 18 NumberOfNonLiveVariables, 333 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 540/540 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! [2024-11-28 03:21:28,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4414439a-0f0d-475c-ba87-13999b1ff4f7/bin/uautomizer-verify-aQ6SnzHsRB/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 Writing output log to file Ultimate.log Result: TRUE