./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx --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 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:27,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:27,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:22:27,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:27,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:27,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:27,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:27,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:27,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:22:27,746 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:22:27,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:22:27,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:22:27,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:27,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:27,755 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:27,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:27,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:22:27,757 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:22:27,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:22:27,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:22:27,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:27,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:22:27,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:22:27,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:22:27,762 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:22:27,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:27,764 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:27,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:27,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:27,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:22:27,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:22:27,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:27,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:27,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:22:27,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:22:27,770 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:22:27,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:22:27,771 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:22:27,771 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:22:27,772 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:22:27,772 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:22:27,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:22:27,774 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e [2023-11-21 22:22:28,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:28,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:28,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:28,241 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:28,242 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:28,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2023-11-21 22:22:31,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:32,111 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:32,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2023-11-21 22:22:32,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/data/ed7293852/5014b75e8ec84a47b63e7de3ec403b65/FLAG70fed1b7d [2023-11-21 22:22:32,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/data/ed7293852/5014b75e8ec84a47b63e7de3ec403b65 [2023-11-21 22:22:32,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:32,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:32,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:32,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:32,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:32,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1664233d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32, skipping insertion in model container [2023-11-21 22:22:32,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:32,448 WARN L240 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_d4698732-c5ca-4c91-a4e8-2cecd1994953/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2023-11-21 22:22:32,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:32,513 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:32,539 WARN L240 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_d4698732-c5ca-4c91-a4e8-2cecd1994953/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2023-11-21 22:22:32,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:32,577 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:32,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32 WrapperNode [2023-11-21 22:22:32,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:32,579 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:32,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:32,580 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:32,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,638 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 67 [2023-11-21 22:22:32,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:32,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:32,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:32,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:32,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,655 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,671 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:22:32,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,699 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:32,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:32,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:32,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:32,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (1/1) ... [2023-11-21 22:22:32,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:32,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:32,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:32,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:22:32,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:22:32,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:22:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:22:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:32,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:22:32,934 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:22:32,937 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:22:33,312 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:22:33,466 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:22:33,467 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:22:33,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:33 BoogieIcfgContainer [2023-11-21 22:22:33,469 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:22:33,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:22:33,484 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:22:33,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:22:33,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:22:32" (1/3) ... [2023-11-21 22:22:33,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d521ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:33, skipping insertion in model container [2023-11-21 22:22:33,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:32" (2/3) ... [2023-11-21 22:22:33,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d521ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:33, skipping insertion in model container [2023-11-21 22:22:33,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:33" (3/3) ... [2023-11-21 22:22:33,496 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-32.i [2023-11-21 22:22:33,554 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:22:33,554 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:22:33,626 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:22:33,639 INFO L357 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, mHoare=true, 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;@185dafee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:22:33,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:22:33,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-21 22:22:33,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 22:22:33,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:33,659 INFO L195 NwaCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:33,659 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:22:33,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:33,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1023335555, now seen corresponding path program 1 times [2023-11-21 22:22:33,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:33,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416610389] [2023-11-21 22:22:33,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:33,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:33,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:34,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:34,121 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:22:34,122 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:22:34,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:22:34,134 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:22:34,138 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:22:34,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:22:34 BoogieIcfgContainer [2023-11-21 22:22:34,184 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:22:34,185 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:22:34,186 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:22:34,186 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:22:34,187 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:33" (3/4) ... [2023-11-21 22:22:34,189 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:22:34,191 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:22:34,193 INFO L158 Benchmark]: Toolchain (without parser) took 2032.44ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 84.4MB in the beginning and 121.1MB in the end (delta: -36.7MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2023-11-21 22:22:34,194 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:34,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.02ms. Allocated memory is still 130.0MB. Free memory was 83.9MB in the beginning and 72.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:22:34,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.06ms. Allocated memory is still 130.0MB. Free memory was 72.8MB in the beginning and 70.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:22:34,197 INFO L158 Benchmark]: Boogie Preprocessor took 79.62ms. Allocated memory is still 130.0MB. Free memory was 70.4MB in the beginning and 67.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:22:34,197 INFO L158 Benchmark]: RCFGBuilder took 756.97ms. Allocated memory is still 130.0MB. Free memory was 67.6MB in the beginning and 100.3MB in the end (delta: -32.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-21 22:22:34,199 INFO L158 Benchmark]: TraceAbstraction took 701.10ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 99.6MB in the beginning and 121.1MB in the end (delta: -21.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-21 22:22:34,199 INFO L158 Benchmark]: Witness Printer took 6.00ms. Allocated memory is still 167.8MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:34,204 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.02ms. Allocated memory is still 130.0MB. Free memory was 83.9MB in the beginning and 72.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.06ms. Allocated memory is still 130.0MB. Free memory was 72.8MB in the beginning and 70.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.62ms. Allocated memory is still 130.0MB. Free memory was 70.4MB in the beginning and 67.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 756.97ms. Allocated memory is still 130.0MB. Free memory was 67.6MB in the beginning and 100.3MB in the end (delta: -32.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * TraceAbstraction took 701.10ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 99.6MB in the beginning and 121.1MB in the end (delta: -21.5MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Witness Printer took 6.00ms. Allocated memory is still 167.8MB. Free memory is still 121.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 4; [L23] unsigned char var_1_2 = 1; [L24] signed short int var_1_5 = -32475; [L25] float var_1_7 = 7.2; [L26] float var_1_8 = 500.4; [L27] unsigned char var_1_9 = 10; [L28] unsigned char var_1_10 = 16; [L29] unsigned short int var_1_11 = 4; [L60] isInitial = 1 [L61] FCALL initially() [L62] COND TRUE 1 [L63] FCALL updateLastVariables() [L64] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_uchar() [L42] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) [L42] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L43] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L44] var_1_5 = __VERIFIER_nondet_short() [L45] CALL assume_abort_if_not(var_1_5 >= -32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32766, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_5 >= -32766) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32766, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L46] CALL assume_abort_if_not(var_1_5 <= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32766, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_5 <= -16383) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32766, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L47] var_1_8 = __VERIFIER_nondet_float() [L48] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32766, var_1_7=36/5, var_1_8=505, var_1_9=10] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32766, var_1_7=36/5, var_1_8=505, var_1_9=10] [L49] var_1_10 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32766, var_1_7=36/5, var_1_8=505, var_1_9=10] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=254, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32766, var_1_7=36/5, var_1_8=505, var_1_9=10] [L51] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=254, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32766, var_1_7=36/5, var_1_8=505, var_1_9=10] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=254, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32766, var_1_7=36/5, var_1_8=505, var_1_9=10] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_7 = var_1_8 [L34] var_1_9 = var_1_10 [L35] COND TRUE \read(var_1_2) [L36] var_1_1 = ((((((var_1_9 + 16)) > (var_1_9)) ? ((var_1_9 + 16)) : (var_1_9))) - (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) - var_1_9)) [L38] var_1_11 = var_1_1 [L65] RET step() [L66] CALL, EXPR property() [L56-L57] return (((var_1_2 ? (var_1_1 == ((signed short int) ((((((var_1_9 + 16)) > (var_1_9)) ? ((var_1_9 + 16)) : (var_1_9))) - (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) - var_1_9)))) : 1) && (var_1_7 == ((float) var_1_8))) && (var_1_9 == ((unsigned char) var_1_10))) && (var_1_11 == ((unsigned short int) var_1_1)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=254, var_1_11=33294, var_1_1=-32242, var_1_2=1, var_1_5=-32766, var_1_7=505, var_1_8=505, var_1_9=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=254, var_1_11=33294, var_1_1=-32242, var_1_2=1, var_1_5=-32766, var_1_7=505, var_1_8=505, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:22:34,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx --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 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:37,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:37,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:22:37,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:37,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:37,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:37,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:37,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:37,451 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:22:37,456 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:22:37,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:22:37,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:22:37,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:37,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:37,460 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:37,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:37,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:22:37,462 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:22:37,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:22:37,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:37,463 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:22:37,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:22:37,464 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:22:37,465 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:22:37,465 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:22:37,466 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:22:37,466 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:22:37,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:37,467 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:37,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:37,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:37,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:22:37,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:22:37,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:37,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:37,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:22:37,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:22:37,472 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:22:37,472 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:22:37,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:22:37,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:22:37,473 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:22:37,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:22:37,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:22:37,474 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:22:37,474 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e [2023-11-21 22:22:37,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:37,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:37,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:37,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:37,947 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:37,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2023-11-21 22:22:41,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:41,635 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:41,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2023-11-21 22:22:41,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/data/3b6d53646/192f1298aef64ad2b1081a97e293cc04/FLAG3bcb11016 [2023-11-21 22:22:41,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/data/3b6d53646/192f1298aef64ad2b1081a97e293cc04 [2023-11-21 22:22:41,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:41,672 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:41,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:41,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:41,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:41,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de35127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41, skipping insertion in model container [2023-11-21 22:22:41,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:41,851 WARN L240 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_d4698732-c5ca-4c91-a4e8-2cecd1994953/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2023-11-21 22:22:41,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:41,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:41,915 WARN L240 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_d4698732-c5ca-4c91-a4e8-2cecd1994953/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2023-11-21 22:22:41,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:41,948 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:41,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41 WrapperNode [2023-11-21 22:22:41,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:41,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:41,950 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:41,950 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:41,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:41,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,010 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 66 [2023-11-21 22:22:42,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:42,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:42,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:42,011 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:42,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,034 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,043 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:22:42,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:42,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:42,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:42,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:42,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (1/1) ... [2023-11-21 22:22:42,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:42,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:42,145 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:42,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:22:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:22:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:22:42,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:22:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:42,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:22:42,260 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:22:42,262 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:22:42,576 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:22:42,753 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:22:42,761 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:22:42,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:42 BoogieIcfgContainer [2023-11-21 22:22:42,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:22:42,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:22:42,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:22:42,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:22:42,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:22:41" (1/3) ... [2023-11-21 22:22:42,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2111cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:42, skipping insertion in model container [2023-11-21 22:22:42,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:41" (2/3) ... [2023-11-21 22:22:42,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2111cce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:42, skipping insertion in model container [2023-11-21 22:22:42,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:42" (3/3) ... [2023-11-21 22:22:42,777 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-32.i [2023-11-21 22:22:42,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:22:42,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:22:42,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:22:42,877 INFO L357 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, mHoare=true, 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;@1b10c06c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:22:42,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:22:42,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-21 22:22:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 22:22:42,893 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:42,893 INFO L195 NwaCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:22:42,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:22:42,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:42,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1023335555, now seen corresponding path program 1 times [2023-11-21 22:22:42,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:22:42,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [278194228] [2023-11-21 22:22:42,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:42,923 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 [2023-11-21 22:22:42,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:22:42,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:22:42,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:22:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:43,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:22:43,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:23:02,052 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 22:23:02,053 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:23:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-21 22:23:02,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:23:02,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [278194228] [2023-11-21 22:23:02,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [278194228] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:23:02,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-21 22:23:02,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-21 22:23:02,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035041156] [2023-11-21 22:23:02,560 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-21 22:23:02,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-21 22:23:02,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:23:02,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:23:02,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:23:02,616 INFO L87 Difference]: Start difference. First operand has 20 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 8 states, 6 states have (on average 2.5) internal successors, (15), 8 states have internal predecessors, (15), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-21 22:23:03,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:23:03,187 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2023-11-21 22:23:03,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:23:03,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 2.5) internal successors, (15), 8 states have internal predecessors, (15), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 29 [2023-11-21 22:23:03,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:23:03,197 INFO L225 Difference]: With dead ends: 39 [2023-11-21 22:23:03,198 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:23:03,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-11-21 22:23:03,206 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 10 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:23:03,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 35 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-21 22:23:03,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:23:03,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:23:03,229 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) [2023-11-21 22:23:03,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:23:03,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2023-11-21 22:23:03,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:23:03,232 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:23:03,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 2.5) internal successors, (15), 8 states have internal predecessors, (15), 3 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2023-11-21 22:23:03,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:23:03,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:23:03,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:23:03,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/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)] Forceful destruction successful, exit code 0 [2023-11-21 22:23:03,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:23:03,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:23:03,750 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 22:23:03,750 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 22:23:03,751 INFO L902 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: true [2023-11-21 22:23:03,751 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 22:23:03,751 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2023-11-21 22:23:03,752 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 22:23:03,752 INFO L895 garLoopResultBuilder]: At program point L45(line 45) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-11-21 22:23:03,752 INFO L895 garLoopResultBuilder]: At program point L45-1(line 45) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-11-21 22:23:03,753 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:23:03,753 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 62 68) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-11-21 22:23:03,754 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-11-21 22:23:03,754 INFO L895 garLoopResultBuilder]: At program point L50-1(line 50) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-11-21 22:23:03,754 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-21 22:23:03,755 INFO L895 garLoopResultBuilder]: At program point L42(line 42) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-11-21 22:23:03,755 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:23:03,755 INFO L895 garLoopResultBuilder]: At program point L42-1(line 42) the Hoare annotation is: (or (exists ((currentRoundingMode RoundingMode)) (and (fp.geq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0))) (fp.leq ~var_1_8~0 (fp.neg ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) (exists ((currentRoundingMode RoundingMode)) (and (fp.leq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode 9223372036854765600.0)) (fp.geq ~var_1_8~0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))))) [2023-11-21 22:23:03,755 INFO L899 garLoopResultBuilder]: For program point L51(lines 40 52) no Hoare annotation was computed. [2023-11-21 22:23:03,756 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-11-21 22:23:03,756 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 22:23:03,756 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 22:23:03,761 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:23:03,764 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:23:03,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated [2023-11-21 22:23:03,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated [2023-11-21 22:23:03,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:23:03 BoogieIcfgContainer [2023-11-21 22:23:03,780 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:23:03,781 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:23:03,781 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:23:03,781 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:23:03,782 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:42" (3/4) ... [2023-11-21 22:23:03,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:23:03,789 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:23:03,795 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-21 22:23:03,795 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-21 22:23:03,796 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:23:03,796 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:23:03,909 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:23:03,910 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:23:03,910 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:23:03,911 INFO L158 Benchmark]: Toolchain (without parser) took 22238.78ms. Allocated memory was 69.2MB in the beginning and 499.1MB in the end (delta: 429.9MB). Free memory was 45.4MB in the beginning and 385.6MB in the end (delta: -340.2MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2023-11-21 22:23:03,912 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:03,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.37ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 33.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:23:03,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.47ms. Allocated memory is still 69.2MB. Free memory was 33.4MB in the beginning and 31.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:23:03,913 INFO L158 Benchmark]: Boogie Preprocessor took 91.46ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 31.7MB in the beginning and 68.0MB in the end (delta: -36.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2023-11-21 22:23:03,914 INFO L158 Benchmark]: RCFGBuilder took 660.16ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 50.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:23:03,915 INFO L158 Benchmark]: TraceAbstraction took 21013.19ms. Allocated memory was 90.2MB in the beginning and 499.1MB in the end (delta: 408.9MB). Free memory was 49.6MB in the beginning and 390.8MB in the end (delta: -341.2MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2023-11-21 22:23:03,915 INFO L158 Benchmark]: Witness Printer took 129.58ms. Allocated memory is still 499.1MB. Free memory was 390.8MB in the beginning and 385.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:23:03,918 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.37ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 33.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.47ms. Allocated memory is still 69.2MB. Free memory was 33.4MB in the beginning and 31.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 91.46ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 31.7MB in the beginning and 68.0MB in the end (delta: -36.3MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * RCFGBuilder took 660.16ms. Allocated memory is still 90.2MB. Free memory was 68.0MB in the beginning and 50.2MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 21013.19ms. Allocated memory was 90.2MB in the beginning and 499.1MB in the end (delta: 408.9MB). Free memory was 49.6MB in the beginning and 390.8MB in the end (delta: -341.2MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * Witness Printer took 129.58ms. Allocated memory is still 499.1MB. Free memory was 390.8MB in the beginning and 385.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.geq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 9.2233720368547656E18))) && ~fp.leq~32(~var_1_8~0, ~fp.neg~32(~to_fp~32(currentRoundingMode, 1/100000000000000000000)))) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.leq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 9.2233720368547656E18)) && ~fp.geq~32(~var_1_8~0, ~to_fp~32(currentRoundingMode, 1/100000000000000000000))) could not be translated * 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.9s, OverallIterations: 1, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 58 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 58 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 6, 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: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 22 PreInvPairs, 30 NumberOfFragments, 191 HoareAnnotationTreeSize, 22 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 125 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 19.4s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 56 ConstructedInterpolants, 8 QuantifiedInterpolants, 287 SizeOfPredicates, 19 NumberOfNonLiveVariables, 78 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 80/84 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-21 22:23:03,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4698732-c5ca-4c91-a4e8-2cecd1994953/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE