./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.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_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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_68ad4c02-60fa-4529-af4e-2974cff50b24/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 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:04:53,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:04:53,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:04:53,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:04:53,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:04:53,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:04:53,177 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:04:53,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:04:53,179 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:04:53,184 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:04:53,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:04:53,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:04:53,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:04:53,189 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:04:53,189 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:04:53,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:04:53,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:04:53,191 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:04:53,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:04:53,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:04:53,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:04:53,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:04:53,194 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:04:53,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:04:53,195 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:04:53,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:04:53,196 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:04:53,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:04:53,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:04:53,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:04:53,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:04:53,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:04:53,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:04:53,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:04:53,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:04:53,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:04:53,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:04:53,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:04:53,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:04:53,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:04:53,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:04:53,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:04:53,203 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_68ad4c02-60fa-4529-af4e-2974cff50b24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 [2023-11-21 22:04:53,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:04:53,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:04:53,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:04:53,595 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:04:53,596 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:04:53,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-11-21 22:04:56,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:04:56,965 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:04:56,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-11-21 22:04:56,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/data/c137cf747/c3417e6954874541917817bfe76731a4/FLAGa2cc0b0db [2023-11-21 22:04:56,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/data/c137cf747/c3417e6954874541917817bfe76731a4 [2023-11-21 22:04:57,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:04:57,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:04:57,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:04:57,009 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:04:57,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:04:57,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:57,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcbdfb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57, skipping insertion in model container [2023-11-21 22:04:57,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:56" (1/1) ... [2023-11-21 22:04:57,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:04:57,246 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_68ad4c02-60fa-4529-af4e-2974cff50b24/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-11-21 22:04:57,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:04:57,301 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:04:57,315 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_68ad4c02-60fa-4529-af4e-2974cff50b24/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-11-21 22:04:57,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:04:57,348 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:04:57,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57 WrapperNode [2023-11-21 22:04:57,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:04:57,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:04:57,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:04:57,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:04:57,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,393 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2023-11-21 22:04:57,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:04:57,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:04:57,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:04:57,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:04:57,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,414 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,436 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:04:57,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:04:57,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:04:57,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:04:57,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:04:57,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:04:57,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:04:57,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:04:57,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:04:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:04:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:04:57,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:04:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:04:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:04:57,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:04:57,639 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:04:57,641 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:04:57,875 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:04:58,133 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:04:58,133 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:04:58,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:04:58 BoogieIcfgContainer [2023-11-21 22:04:58,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:04:58,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:04:58,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:04:58,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:04:58,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:04:56" (1/3) ... [2023-11-21 22:04:58,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e28db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:04:58, skipping insertion in model container [2023-11-21 22:04:58,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57" (2/3) ... [2023-11-21 22:04:58,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e28db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:04:58, skipping insertion in model container [2023-11-21 22:04:58,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:04:58" (3/3) ... [2023-11-21 22:04:58,174 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-15.i [2023-11-21 22:04:58,199 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:04:58,200 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:04:58,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:04:58,277 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;@57faa557, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:04:58,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:04:58,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-21 22:04:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 22:04:58,294 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:04:58,295 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 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 22:04:58,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:04:58,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:04:58,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1324518550, now seen corresponding path program 1 times [2023-11-21 22:04:58,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:04:58,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112448511] [2023-11-21 22:04:58,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:04:58,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:04:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:04:58,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:04:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:04:58,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:04:58,782 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:04:58,783 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:04:58,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:04:58,792 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:04:58,797 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:04:58,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:04:58 BoogieIcfgContainer [2023-11-21 22:04:58,859 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:04:58,860 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:04:58,860 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:04:58,860 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:04:58,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:04:58" (3/4) ... [2023-11-21 22:04:58,864 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:04:58,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:04:58,867 INFO L158 Benchmark]: Toolchain (without parser) took 1861.61ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 93.2MB in the beginning and 115.7MB in the end (delta: -22.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-11-21 22:04:58,868 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:04:58,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.55ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 81.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:04:58,869 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.76ms. Allocated memory is still 130.0MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:04:58,870 INFO L158 Benchmark]: Boogie Preprocessor took 72.23ms. Allocated memory is still 130.0MB. Free memory was 79.3MB in the beginning and 77.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:04:58,871 INFO L158 Benchmark]: RCFGBuilder took 659.75ms. Allocated memory is still 130.0MB. Free memory was 77.2MB in the beginning and 55.8MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 22:04:58,871 INFO L158 Benchmark]: TraceAbstraction took 720.77ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 55.0MB in the beginning and 115.7MB in the end (delta: -60.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:04:58,872 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 163.6MB. Free memory is still 115.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:04:58,876 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.55ms. Allocated memory is still 130.0MB. Free memory was 93.2MB in the beginning and 81.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.76ms. Allocated memory is still 130.0MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.23ms. Allocated memory is still 130.0MB. Free memory was 79.3MB in the beginning and 77.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 659.75ms. Allocated memory is still 130.0MB. Free memory was 77.2MB in the beginning and 55.8MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 720.77ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 55.0MB in the beginning and 115.7MB in the end (delta: -60.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 163.6MB. Free memory is still 115.7MB. 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 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -128; [L23] unsigned short int var_1_3 = 16; [L24] unsigned long int var_1_7 = 1000; [L25] signed char var_1_8 = -4; [L26] signed short int var_1_9 = 2; [L27] unsigned char var_1_10 = 1; [L28] unsigned char var_1_11 = 0; [L29] double var_1_12 = 0.95; [L30] double var_1_13 = 9.8; [L31] signed short int last_1_var_1_9 = 2; [L32] unsigned char last_1_var_1_10 = 1; [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_9 = var_1_9 [L80] last_1_var_1_10 = var_1_10 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L63] var_1_3 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L65] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L66] var_1_7 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=-4, var_1_9=2] [L68] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=-4, var_1_9=2] [L69] var_1_8 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=4, var_1_9=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=4, var_1_9=2] [L71] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=4, var_1_9=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=4, var_1_9=2] [L72] var_1_11 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=4, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=4, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=4, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=65536, var_1_8=4, var_1_9=2] [L75] var_1_13 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=65541, var_1_1=-128, var_1_7=65536, var_1_8=4, var_1_9=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=65541, var_1_1=-128, var_1_7=65536, var_1_8=4, var_1_9=2] [L91] RET updateVariables() [L92] CALL step() [L36] signed long int stepLocal_2 = last_1_var_1_9; [L37] unsigned char stepLocal_1 = (- var_1_7) <= last_1_var_1_9; [L38] unsigned char stepLocal_0 = last_1_var_1_10; [L39] COND TRUE stepLocal_0 || ((~ last_1_var_1_9) >= last_1_var_1_9) [L40] COND FALSE !(last_1_var_1_9 < stepLocal_2) [L49] var_1_1 = var_1_8 [L54] var_1_10 = var_1_11 [L55] var_1_12 = var_1_13 [L56] COND FALSE !(\read(var_1_10)) [L92] RET step() [L93] CALL, EXPR property() [L83-L84] return ((((last_1_var_1_10 || ((~ last_1_var_1_9) >= last_1_var_1_9)) ? ((last_1_var_1_9 < last_1_var_1_9) ? ((! last_1_var_1_10) ? (((last_1_var_1_9 > last_1_var_1_9) && ((- var_1_7) <= last_1_var_1_9)) ? (var_1_1 == ((signed char) var_1_8)) : (var_1_1 == ((signed char) var_1_8))) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && (var_1_10 ? ((((4131182089u - var_1_3) - 200u) < var_1_1) ? (var_1_9 == ((signed short int) var_1_8)) : 1) : 1)) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((double) var_1_13)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=0, var_1_11=0, var_1_12=65541, var_1_13=65541, var_1_1=4, var_1_3=65535, var_1_7=65536, var_1_8=4, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=0, var_1_11=0, var_1_12=65541, var_1_13=65541, var_1_1=4, var_1_3=65535, var_1_7=65536, var_1_8=4, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 9, 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=23occurred 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, 36 NumberOfCodeBlocks, 36 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 22:04:58,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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_68ad4c02-60fa-4529-af4e-2974cff50b24/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 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:01,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:01,687 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:05:01,696 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:01,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:01,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:01,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:01,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:01,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:01,756 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:01,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:01,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:01,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:01,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:01,760 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:01,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:01,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:01,762 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:05:01,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:05:01,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:01,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:01,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:01,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:01,766 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:05:01,766 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:05:01,766 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:05:01,767 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:05:01,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:01,768 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:01,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:01,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:01,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:01,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:01,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:01,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:01,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:01,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:01,775 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:05:01,775 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:05:01,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:01,775 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:01,776 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:01,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:01,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:01,777 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:05:01,777 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_68ad4c02-60fa-4529-af4e-2974cff50b24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 [2023-11-21 22:05:02,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:02,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:02,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:02,235 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:02,235 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:02,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-11-21 22:05:05,347 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:05,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:05,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2023-11-21 22:05:05,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/data/4bc5ddf25/c327ad54fcff4062bda31b2c2147b21c/FLAGc2b38cd50 [2023-11-21 22:05:05,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/data/4bc5ddf25/c327ad54fcff4062bda31b2c2147b21c [2023-11-21 22:05:05,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:05,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:05,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:05,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:05,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:05,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:05" (1/1) ... [2023-11-21 22:05:05,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773aca3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:05, skipping insertion in model container [2023-11-21 22:05:05,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:05" (1/1) ... [2023-11-21 22:05:05,756 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:05,933 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_68ad4c02-60fa-4529-af4e-2974cff50b24/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-11-21 22:05:05,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:05,988 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:06,007 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_68ad4c02-60fa-4529-af4e-2974cff50b24/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2023-11-21 22:05:06,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:06,053 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:06,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06 WrapperNode [2023-11-21 22:05:06,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:06,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:06,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:06,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:06,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,106 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2023-11-21 22:05:06,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:06,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:06,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:06,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:06,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,131 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,155 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:05:06,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,164 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:06,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:06,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:06,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:06,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:06,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:06,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:06,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:06,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:05:06,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:05:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:05:06,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:06,375 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:06,378 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:06,591 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:06,825 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:06,826 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:05:06,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:06 BoogieIcfgContainer [2023-11-21 22:05:06,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:06,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:06,832 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:06,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:06,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:05" (1/3) ... [2023-11-21 22:05:06,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3faf01fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:06, skipping insertion in model container [2023-11-21 22:05:06,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06" (2/3) ... [2023-11-21 22:05:06,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3faf01fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:06, skipping insertion in model container [2023-11-21 22:05:06,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:06" (3/3) ... [2023-11-21 22:05:06,839 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-15.i [2023-11-21 22:05:06,859 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:06,860 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:05:06,912 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:06,919 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;@536b3cef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:06,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:05:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-21 22:05:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 22:05:06,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:06,934 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 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 22:05:06,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:06,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:06,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1324518550, now seen corresponding path program 1 times [2023-11-21 22:05:06,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:05:06,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821506785] [2023-11-21 22:05:06,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:06,960 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 22:05:06,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:05:06,964 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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 22:05:07,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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 22:05:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:07,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 22:05:07,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-21 22:05:13,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:05:13,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:05:13,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821506785] [2023-11-21 22:05:13,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821506785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:13,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:13,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 22:05:13,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983964820] [2023-11-21 22:05:13,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:13,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:05:13,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:05:13,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:05:13,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:05:13,154 INFO L87 Difference]: Start difference. First operand has 23 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-21 22:05:13,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:13,899 INFO L93 Difference]: Finished difference Result 70 states and 98 transitions. [2023-11-21 22:05:13,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 22:05:13,902 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 36 [2023-11-21 22:05:13,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:13,910 INFO L225 Difference]: With dead ends: 70 [2023-11-21 22:05:13,910 INFO L226 Difference]: Without dead ends: 48 [2023-11-21 22:05:13,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2023-11-21 22:05:13,918 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 25 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:13,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 104 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-21 22:05:13,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-21 22:05:13,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2023-11-21 22:05:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-21 22:05:13,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2023-11-21 22:05:13,987 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 36 [2023-11-21 22:05:13,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:13,989 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2023-11-21 22:05:13,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-21 22:05:13,989 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-11-21 22:05:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 22:05:13,997 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:13,999 INFO L195 NwaCegarLoop]: trace histogram [18, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-21 22:05:14,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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 22:05:14,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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 22:05:14,202 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:14,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash 1339599734, now seen corresponding path program 1 times [2023-11-21 22:05:14,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:05:14,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [486856457] [2023-11-21 22:05:14,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:14,205 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 22:05:14,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:05:14,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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 22:05:14,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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 (3)] Waiting until timeout for monitored process [2023-11-21 22:05:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:14,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 22:05:14,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:22,907 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 46 proven. 178 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-21 22:05:22,907 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:05:25,410 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:05:25,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [486856457] [2023-11-21 22:05:25,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [486856457] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:05:25,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [724077003] [2023-11-21 22:05:25,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:25,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 22:05:25,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/cvc4 [2023-11-21 22:05:25,414 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 22:05:25,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 22:05:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:25,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 22:05:25,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:34,082 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 46 proven. 178 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-21 22:05:34,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:05:35,443 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2023-11-21 22:05:35,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [724077003] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:05:35,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:05:35,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 7] total 25 [2023-11-21 22:05:35,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787750788] [2023-11-21 22:05:35,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:05:35,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-21 22:05:35,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:05:35,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-21 22:05:35,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2023-11-21 22:05:35,451 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand has 25 states, 17 states have (on average 3.411764705882353) internal successors, (58), 23 states have internal predecessors, (58), 10 states have call successors, (46), 9 states have call predecessors, (46), 15 states have return successors, (47), 12 states have call predecessors, (47), 10 states have call successors, (47) [2023-11-21 22:05:37,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:37,113 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2023-11-21 22:05:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 22:05:37,118 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 17 states have (on average 3.411764705882353) internal successors, (58), 23 states have internal predecessors, (58), 10 states have call successors, (46), 9 states have call predecessors, (46), 15 states have return successors, (47), 12 states have call predecessors, (47), 10 states have call successors, (47) Word has length 71 [2023-11-21 22:05:37,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:37,119 INFO L225 Difference]: With dead ends: 66 [2023-11-21 22:05:37,120 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:05:37,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=464, Invalid=1342, Unknown=0, NotChecked=0, Total=1806 [2023-11-21 22:05:37,124 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 66 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:37,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 128 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-21 22:05:37,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:05:37,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:05:37,126 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 22:05:37,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:05:37,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2023-11-21 22:05:37,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:37,127 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:05:37,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 17 states have (on average 3.411764705882353) internal successors, (58), 23 states have internal predecessors, (58), 10 states have call successors, (46), 9 states have call predecessors, (46), 15 states have return successors, (47), 12 states have call predecessors, (47), 10 states have call successors, (47) [2023-11-21 22:05:37,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:05:37,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:05:37,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:05:37,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:37,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:37,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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 22:05:37,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:05:39,617 INFO L895 garLoopResultBuilder]: At program point L64(line 64) the Hoare annotation is: (let ((.cse0 (= ~var_1_9~0 (_ bv2 16))) (.cse1 (= ~var_1_11~0 (_ bv0 8))) (.cse4 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse2)) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse3))) (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse3))) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse2)))))) (= ~last_1_var_1_10~0 (_ bv1 8)) .cse4 (= (_ bv1 8) ~var_1_10~0)) (and .cse0 (= ~last_1_var_1_9~0 (_ bv2 16)) (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) (fp.eq ~var_1_13~0 ~var_1_13~0) .cse1 (bvsle ((_ zero_extend 24) ~last_1_var_1_10~0) (_ bv0 32)) .cse4))) [2023-11-21 22:05:39,617 INFO L895 garLoopResultBuilder]: At program point L64-1(line 64) the Hoare annotation is: (let ((.cse0 (= ~var_1_9~0 (_ bv2 16))) (.cse1 (= ~var_1_11~0 (_ bv0 8))) (.cse4 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse2)) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse3))) (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse3))) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse2)))))) (= ~last_1_var_1_10~0 (_ bv1 8)) .cse4 (= (_ bv1 8) ~var_1_10~0)) (and .cse0 (= ~last_1_var_1_9~0 (_ bv2 16)) (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) (fp.eq ~var_1_13~0 ~var_1_13~0) .cse1 (bvsle ((_ zero_extend 24) ~last_1_var_1_10~0) (_ bv0 32)) .cse4))) [2023-11-21 22:05:39,618 INFO L895 garLoopResultBuilder]: At program point L89-2(lines 89 95) the Hoare annotation is: (let ((.cse0 (= ~var_1_9~0 (_ bv2 16))) (.cse1 (= ~var_1_11~0 (_ bv0 8))) (.cse4 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse2)) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse3))) (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse3))) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse2)))))) (= ~last_1_var_1_10~0 (_ bv1 8)) .cse4 (= (_ bv1 8) ~var_1_10~0)) (and .cse0 (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) (fp.eq ~var_1_13~0 ~var_1_13~0) .cse1 .cse4))) [2023-11-21 22:05:39,618 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 22:05:39,619 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 22:05:39,619 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 22:05:39,619 INFO L895 garLoopResultBuilder]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (or (not (= ~var_1_11~0 (_ bv0 8))) (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))) (fp.eq ~var_1_13~0 ~var_1_13~0))) (.cse1 (= ~var_1_9~0 (_ bv2 16))) (.cse2 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (= ~last_1_var_1_9~0 (_ bv2 16)) (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~last_1_var_1_10~0) (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~last_1_var_1_10~0 (_ bv1 8)) .cse2 (= (_ bv1 8) ~var_1_10~0)))) [2023-11-21 22:05:39,619 INFO L895 garLoopResultBuilder]: At program point L73-1(line 73) the Hoare annotation is: (let ((.cse0 (or (not (= ~var_1_11~0 (_ bv0 8))) (not (= |assume_abort_if_not_#in~cond| (_ bv0 32))) (fp.eq ~var_1_13~0 ~var_1_13~0))) (.cse1 (= ~var_1_9~0 (_ bv2 16))) (.cse2 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (= ~last_1_var_1_9~0 (_ bv2 16)) (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~last_1_var_1_10~0) (_ bv0 32)) .cse2) (and .cse0 .cse1 (= ~last_1_var_1_10~0 (_ bv1 8)) .cse2 (= (_ bv1 8) ~var_1_10~0)))) [2023-11-21 22:05:39,620 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-11-21 22:05:39,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 22:05:39,620 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-11-21 22:05:39,621 INFO L895 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (= ~var_1_9~0 (_ bv2 16))) (.cse1 (= ~var_1_11~0 (_ bv0 8))) (.cse4 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse2)) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse3))) (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse3))) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse2)))))) (= ~last_1_var_1_10~0 (_ bv1 8)) .cse4 (= (_ bv1 8) ~var_1_10~0)) (and .cse0 (= ~last_1_var_1_9~0 (_ bv2 16)) (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) (fp.eq ~var_1_13~0 ~var_1_13~0) .cse1 (bvsle ((_ zero_extend 24) ~last_1_var_1_10~0) (_ bv0 32)) .cse4))) [2023-11-21 22:05:39,621 INFO L895 garLoopResultBuilder]: At program point L70-1(line 70) the Hoare annotation is: (let ((.cse0 (= ~var_1_9~0 (_ bv2 16))) (.cse1 (= ~var_1_11~0 (_ bv0 8))) (.cse4 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse2)) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse3))) (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse3))) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse2)))))) (= ~last_1_var_1_10~0 (_ bv1 8)) .cse4 (= (_ bv1 8) ~var_1_10~0)) (and .cse0 (= ~last_1_var_1_9~0 (_ bv2 16)) (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) (fp.eq ~var_1_13~0 ~var_1_13~0) .cse1 (bvsle ((_ zero_extend 24) ~last_1_var_1_10~0) (_ bv0 32)) .cse4))) [2023-11-21 22:05:39,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:05:39,621 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:05:39,622 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-11-21 22:05:39,622 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= ~var_1_9~0 (_ bv2 16))) (.cse1 (= ~var_1_11~0 (_ bv0 8))) (.cse4 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse2)) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse3))) (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse3))) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse2)))))) (= ~last_1_var_1_10~0 (_ bv1 8)) .cse4 (= (_ bv1 8) ~var_1_10~0)) (and .cse0 (= ~last_1_var_1_9~0 (_ bv2 16)) (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) (fp.eq ~var_1_13~0 ~var_1_13~0) .cse1 (bvsle ((_ zero_extend 24) ~last_1_var_1_10~0) (_ bv0 32)) .cse4))) [2023-11-21 22:05:39,623 INFO L895 garLoopResultBuilder]: At program point L67-1(line 67) the Hoare annotation is: (let ((.cse0 (= ~var_1_9~0 (_ bv2 16))) (.cse1 (= ~var_1_11~0 (_ bv0 8))) (.cse4 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (let ((.cse3 ((_ to_fp 8 24) roundNearestTiesToEven (/ 1.0 100000000000000000000.0))) (.cse2 ((_ to_fp 8 24) roundNearestTiesToEven 9223372036854765600.0))) (or (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse2)) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven .cse3))) (and (fp.leq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse3))) (fp.geq ~var_1_13~0 ((_ to_fp 11 53) roundNearestTiesToEven (fp.neg .cse2)))))) (= ~last_1_var_1_10~0 (_ bv1 8)) .cse4 (= (_ bv1 8) ~var_1_10~0)) (and .cse0 (= ~last_1_var_1_9~0 (_ bv2 16)) (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) (fp.eq ~var_1_13~0 ~var_1_13~0) .cse1 (bvsle ((_ zero_extend 24) ~last_1_var_1_10~0) (_ bv0 32)) .cse4))) [2023-11-21 22:05:39,623 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= ~var_1_9~0 (_ bv2 16))) (.cse1 (bvsle ((_ zero_extend 24) ~var_1_11~0) (_ bv0 32))) (.cse2 (= currentRoundingMode roundNearestTiesToEven))) (or (and .cse0 .cse1 (= ~last_1_var_1_10~0 (_ bv1 8)) .cse2 (= (_ bv1 8) ~var_1_10~0)) (and .cse0 (= ~last_1_var_1_9~0 (_ bv2 16)) (bvsle ((_ zero_extend 24) ~var_1_10~0) (_ bv0 32)) .cse1 (bvsle ((_ zero_extend 24) ~last_1_var_1_10~0) (_ bv0 32)) .cse2))) [2023-11-21 22:05:39,623 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 62 77) no Hoare annotation was computed. [2023-11-21 22:05:39,623 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-11-21 22:05:39,624 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 22:05:39,624 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 22:05:39,628 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:05:39,631 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:05:39,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:39,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:39,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:39,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:39,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:39,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2023-11-21 22:05:39,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:39,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:05:39 BoogieIcfgContainer [2023-11-21 22:05:39,651 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:05:39,652 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:05:39,652 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:05:39,653 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:05:39,654 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:06" (3/4) ... [2023-11-21 22:05:39,656 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:05:39,660 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:05:39,667 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-21 22:05:39,667 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 22:05:39,668 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:05:39,669 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:05:39,786 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:05:39,787 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:05:39,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:05:39,788 INFO L158 Benchmark]: Toolchain (without parser) took 34091.29ms. Allocated memory was 79.7MB in the beginning and 778.0MB in the end (delta: 698.4MB). Free memory was 56.0MB in the beginning and 394.0MB in the end (delta: -338.0MB). Peak memory consumption was 361.0MB. Max. memory is 16.1GB. [2023-11-21 22:05:39,788 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 55.0MB in the end (delta: 92.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:39,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.00ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 43.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:05:39,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.46ms. Allocated memory is still 79.7MB. Free memory was 43.5MB in the beginning and 41.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:39,790 INFO L158 Benchmark]: Boogie Preprocessor took 96.05ms. Allocated memory is still 79.7MB. Free memory was 41.5MB in the beginning and 58.6MB in the end (delta: -17.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-21 22:05:39,791 INFO L158 Benchmark]: RCFGBuilder took 609.88ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 58.6MB in the beginning and 83.6MB in the end (delta: -25.0MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-21 22:05:39,791 INFO L158 Benchmark]: TraceAbstraction took 32820.15ms. Allocated memory was 107.0MB in the beginning and 778.0MB in the end (delta: 671.1MB). Free memory was 83.0MB in the beginning and 399.3MB in the end (delta: -316.2MB). Peak memory consumption was 355.9MB. Max. memory is 16.1GB. [2023-11-21 22:05:39,792 INFO L158 Benchmark]: Witness Printer took 134.94ms. Allocated memory is still 778.0MB. Free memory was 399.3MB in the beginning and 394.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:05:39,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 55.0MB in the end (delta: 92.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.00ms. Allocated memory is still 79.7MB. Free memory was 55.7MB in the beginning and 43.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.46ms. Allocated memory is still 79.7MB. Free memory was 43.5MB in the beginning and 41.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.05ms. Allocated memory is still 79.7MB. Free memory was 41.5MB in the beginning and 58.6MB in the end (delta: -17.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * RCFGBuilder took 609.88ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 58.6MB in the beginning and 83.6MB in the end (delta: -25.0MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * TraceAbstraction took 32820.15ms. Allocated memory was 107.0MB in the beginning and 778.0MB in the end (delta: 671.1MB). Free memory was 83.0MB in the beginning and 399.3MB in the end (delta: -316.2MB). Peak memory consumption was 355.9MB. Max. memory is 16.1GB. * Witness Printer took 134.94ms. Allocated memory is still 778.0MB. Free memory was 399.3MB in the beginning and 394.0MB 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: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven 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, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.7s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 232 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 179 mSDsCounter, 198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 451 IncrementalHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 198 mSolverCounterUnsat, 53 mSDtfsCounter, 451 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 217 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=1, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 43 PreInvPairs, 70 NumberOfFragments, 664 HoareAnnotationTreeSize, 43 FomulaSimplifications, 321 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 1537 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 26.4s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 1570 SizeOfPredicates, 71 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 681/1038 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: 89]: Loop Invariant Derived loop invariant: (((((var_1_9 == 2) && (var_1_11 == 0)) && (last_1_var_1_10 == 1)) && (1 == var_1_10)) || (((var_1_9 == 2) && (var_1_10 <= 0)) && (var_1_11 == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:05:39,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68ad4c02-60fa-4529-af4e-2974cff50b24/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