./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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_a5cc38a1-53f5-472c-b398-e4ed5585c890/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 184fccc72b69c7eb23b9d3b6c6b06a51b6f3ae888fa77cf8167b62023a6f2308 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:04:53,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:04:53,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:04:53,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:04:53,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:04:53,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:04:53,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:04:53,843 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:04:53,844 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:04:53,849 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:04:53,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:04:53,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:04:53,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:04:53,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:04:53,851 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:04:53,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:04:53,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:04:53,852 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:04:53,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:04:53,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:04:53,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:04:53,857 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:04:53,857 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:04:53,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:04:53,858 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:04:53,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:04:53,859 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:04:53,860 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:04:53,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:04:53,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:04:53,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:04:53,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:04:53,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:04:53,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:04:53,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:04:53,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:04:53,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:04:53,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:04:53,864 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:04:53,864 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:04:53,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:04:53,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:04:53,865 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_a5cc38a1-53f5-472c-b398-e4ed5585c890/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 184fccc72b69c7eb23b9d3b6c6b06a51b6f3ae888fa77cf8167b62023a6f2308 [2023-11-21 22:04:54,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:04:54,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:04:54,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:04:54,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:04:54,238 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:04:54,239 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i [2023-11-21 22:04:57,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:04:57,586 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:04:57,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i [2023-11-21 22:04:57,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/data/36cc2a767/d6ed5d92055845c0ae68109af9528ae1/FLAG44cc44756 [2023-11-21 22:04:57,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/data/36cc2a767/d6ed5d92055845c0ae68109af9528ae1 [2023-11-21 22:04:57,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:04:57,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:04:57,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:04:57,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:04:57,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:04:57,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201a971e 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 22:04:57,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:04:57" (1/1) ... [2023-11-21 22:04:57,677 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:04:57,874 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_a5cc38a1-53f5-472c-b398-e4ed5585c890/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i[915,928] [2023-11-21 22:04:57,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:04:57,936 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:04:57,955 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_a5cc38a1-53f5-472c-b398-e4ed5585c890/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i[915,928] [2023-11-21 22:04:57,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:04:57,988 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:04:57,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:04:57 WrapperNode [2023-11-21 22:04:57,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:04:57,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:04:57,990 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:04:57,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:04:57,999 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 22:04:58,012 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 22:04:58,039 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2023-11-21 22:04:58,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:04:58,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:04:58,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:04:58,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:04:58,051 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 22:04:58,053 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 22:04:58,055 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 22:04:58,066 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:04:58,066 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 22:04:58,067 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 22:04:58,072 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 22:04:58,080 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 22:04:58,082 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 22:04:58,089 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 22:04:58,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:04:58,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:04:58,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:04:58,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:04:58,101 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 22:04:58,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:04:58,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:04:58,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:04:58,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:04:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:04:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:04:58,192 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:04:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:04:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:04:58,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:04:58,293 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:04:58,296 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:04:58,594 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:04:58,761 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:04:58,761 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:04:58,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:04:58 BoogieIcfgContainer [2023-11-21 22:04:58,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:04:58,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:04:58,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:04:58,769 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:04:58,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:04:57" (1/3) ... [2023-11-21 22:04:58,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3821284a 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 22:04:58,770 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 22:04:58,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3821284a 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 22:04:58,771 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 22:04:58,772 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-15.i [2023-11-21 22:04:58,788 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:04:58,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:04:58,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:04:58,886 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;@4ceb1f3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:04:58,886 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:04:58,890 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 22:04:58,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 22:04:58,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:04:58,898 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 22:04:58,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:04:58,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:04:58,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1324518550, now seen corresponding path program 1 times [2023-11-21 22:04:58,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:04:58,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668235237] [2023-11-21 22:04:58,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:04:58,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:04:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:04:59,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:04:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:04:59,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:04:59,301 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:04:59,303 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:04:59,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:04:59,313 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:04:59,317 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:04:59,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:04:59 BoogieIcfgContainer [2023-11-21 22:04:59,396 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:04:59,399 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:04:59,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:04:59,399 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:04:59,400 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 22:04:59,402 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:04:59,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:04:59,404 INFO L158 Benchmark]: Toolchain (without parser) took 1778.00ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 95.5MB in the beginning and 117.0MB in the end (delta: -21.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-21 22:04:59,404 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:04:59,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.93ms. Allocated memory is still 130.0MB. Free memory was 95.5MB in the beginning and 83.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:04:59,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.97ms. Allocated memory is still 130.0MB. Free memory was 83.7MB in the beginning and 81.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:04:59,407 INFO L158 Benchmark]: Boogie Preprocessor took 51.24ms. Allocated memory is still 130.0MB. Free memory was 81.7MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:04:59,408 INFO L158 Benchmark]: RCFGBuilder took 670.64ms. Allocated memory is still 130.0MB. Free memory was 79.7MB in the beginning and 58.3MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 22:04:59,410 INFO L158 Benchmark]: TraceAbstraction took 630.92ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 57.8MB in the beginning and 117.3MB in the end (delta: -59.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:04:59,411 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 161.5MB. Free memory was 117.3MB in the beginning and 117.0MB in the end (delta: 365.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:04:59,415 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 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.93ms. Allocated memory is still 130.0MB. Free memory was 95.5MB in the beginning and 83.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.97ms. Allocated memory is still 130.0MB. Free memory was 83.7MB in the beginning and 81.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.24ms. Allocated memory is still 130.0MB. Free memory was 81.7MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 670.64ms. Allocated memory is still 130.0MB. Free memory was 79.7MB in the beginning and 58.3MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 630.92ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 57.8MB in the beginning and 117.3MB in the end (delta: -59.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 161.5MB. Free memory was 117.3MB in the beginning and 117.0MB in the end (delta: 365.5kB). 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, 0.1s 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 22:04:59,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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_a5cc38a1-53f5-472c-b398-e4ed5585c890/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 184fccc72b69c7eb23b9d3b6c6b06a51b6f3ae888fa77cf8167b62023a6f2308 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:05:02,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:05:02,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:05:02,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:05:02,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:05:02,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:05:02,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:05:02,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:05:02,453 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:05:02,458 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:05:02,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:05:02,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:05:02,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:05:02,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:05:02,463 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:05:02,464 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:05:02,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:05:02,465 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:05:02,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:05:02,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:05:02,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:05:02,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:05:02,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:05:02,469 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:05:02,469 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:05:02,470 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:05:02,470 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:05:02,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:05:02,471 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:05:02,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:05:02,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:05:02,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:05:02,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:05:02,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:02,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:05:02,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:05:02,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:05:02,476 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:05:02,477 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:05:02,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:05:02,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:05:02,478 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:05:02,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:05:02,478 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:05:02,479 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:05:02,479 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_a5cc38a1-53f5-472c-b398-e4ed5585c890/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 184fccc72b69c7eb23b9d3b6c6b06a51b6f3ae888fa77cf8167b62023a6f2308 [2023-11-21 22:05:02,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:05:02,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:05:02,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:05:02,974 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:05:02,980 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:05:02,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i [2023-11-21 22:05:06,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:05:06,845 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:05:06,846 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i [2023-11-21 22:05:06,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/data/554e2cef4/29d27385e5814564b43a3a3ad974eeae/FLAGdcdd4c285 [2023-11-21 22:05:06,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/data/554e2cef4/29d27385e5814564b43a3a3ad974eeae [2023-11-21 22:05:06,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:05:06,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:05:06,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:06,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:05:06,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:05:06,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18df38a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:06, skipping insertion in model container [2023-11-21 22:05:06,903 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:05:06" (1/1) ... [2023-11-21 22:05:06,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:05:07,131 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_a5cc38a1-53f5-472c-b398-e4ed5585c890/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i[915,928] [2023-11-21 22:05:07,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:07,257 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:05:07,279 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_a5cc38a1-53f5-472c-b398-e4ed5585c890/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-15.i[915,928] [2023-11-21 22:05:07,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:05:07,353 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:05:07,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07 WrapperNode [2023-11-21 22:05:07,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:05:07,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:07,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:05:07,357 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:05:07,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,445 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2023-11-21 22:05:07,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:05:07,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:05:07,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:05:07,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:05:07,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,480 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,504 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:05:07,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:05:07,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:05:07,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:05:07,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:05:07,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (1/1) ... [2023-11-21 22:05:07,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:05:07,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:05:07,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:05:07,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:05:07,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:05:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:05:07,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:05:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:05:07,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:05:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:05:07,760 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:05:07,763 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:05:08,046 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:05:08,218 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:05:08,218 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:05:08,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:08 BoogieIcfgContainer [2023-11-21 22:05:08,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:05:08,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:05:08,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:05:08,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:05:08,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:05:06" (1/3) ... [2023-11-21 22:05:08,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485621ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:08, skipping insertion in model container [2023-11-21 22:05:08,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:05:07" (2/3) ... [2023-11-21 22:05:08,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@485621ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:05:08, skipping insertion in model container [2023-11-21 22:05:08,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:08" (3/3) ... [2023-11-21 22:05:08,237 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-15.i [2023-11-21 22:05:08,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:05:08,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:05:08,319 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:05:08,328 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;@4fe5bafb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:05:08,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:05:08,334 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 22:05:08,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 22:05:08,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:08,349 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 22:05:08,350 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:08,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:08,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1324518550, now seen corresponding path program 1 times [2023-11-21 22:05:08,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:05:08,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704809020] [2023-11-21 22:05:08,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:08,384 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 22:05:08,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:05:08,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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 22:05:08,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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 22:05:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:08,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 22:05:08,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:15,198 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 22:05:15,198 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:05:15,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:05:15,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704809020] [2023-11-21 22:05:15,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704809020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:05:15,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:05:15,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-21 22:05:15,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347441559] [2023-11-21 22:05:15,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:05:15,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:05:15,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:05:15,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:05:15,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:05:15,253 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 22:05:16,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:16,020 INFO L93 Difference]: Finished difference Result 70 states and 98 transitions. [2023-11-21 22:05:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 22:05:16,024 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 22:05:16,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:16,032 INFO L225 Difference]: With dead ends: 70 [2023-11-21 22:05:16,033 INFO L226 Difference]: Without dead ends: 48 [2023-11-21 22:05:16,038 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 22:05:16,042 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 22:05:16,044 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 22:05:16,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-21 22:05:16,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2023-11-21 22:05:16,104 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 22:05:16,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2023-11-21 22:05:16,109 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 36 [2023-11-21 22:05:16,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:16,110 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2023-11-21 22:05:16,111 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 22:05:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-11-21 22:05:16,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 22:05:16,118 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:05:16,118 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 22:05:16,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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)] Ended with exit code 0 [2023-11-21 22:05:16,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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 22:05:16,322 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:05:16,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:05:16,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1339599734, now seen corresponding path program 1 times [2023-11-21 22:05:16,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:05:16,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [985745052] [2023-11-21 22:05:16,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:16,327 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 22:05:16,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:05:16,328 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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 22:05:16,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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 22:05:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:16,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 22:05:16,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:26,093 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 22:05:26,093 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:05:28,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:05:28,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [985745052] [2023-11-21 22:05:28,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [985745052] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:05:28,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [188018257] [2023-11-21 22:05:28,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:05:28,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 22:05:28,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/cvc4 [2023-11-21 22:05:28,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 22:05:28,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 22:05:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:05:29,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 22:05:29,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:05:37,974 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 22:05:37,974 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:05:39,286 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 22:05:39,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [188018257] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:05:39,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:05:39,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 7] total 25 [2023-11-21 22:05:39,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270521346] [2023-11-21 22:05:39,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:05:39,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-21 22:05:39,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:05:39,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-21 22:05:39,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=525, Unknown=0, NotChecked=0, Total=650 [2023-11-21 22:05:39,293 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 22:05:41,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:05:41,248 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2023-11-21 22:05:41,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 22:05:41,249 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 22:05:41,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:05:41,251 INFO L225 Difference]: With dead ends: 66 [2023-11-21 22:05:41,251 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:05:41,253 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 22:05:41,255 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 66 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:05:41,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 128 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-21 22:05:41,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:05:41,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:05:41,258 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 22:05:41,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:05:41,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2023-11-21 22:05:41,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:05:41,259 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:05:41,259 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 22:05:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:05:41,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:05:41,263 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:05:41,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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)] Ended with exit code 0 [2023-11-21 22:05:41,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:05:41,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/cvc4 --incremental --print-success --lang smt [2023-11-21 22:05:41,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:05:43,608 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 22:05:43,609 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 22:05:43,609 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 22:05:43,610 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-21 22:05:43,610 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-21 22:05:43,610 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-11-21 22:05:43,610 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 22:05:43,610 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 22:05:43,611 INFO L899 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2023-11-21 22:05:43,611 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-21 22:05:43,611 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-11-21 22:05:43,611 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 22:05:43,612 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 22:05:43,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:05:43,612 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:05:43,612 INFO L899 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2023-11-21 22:05:43,613 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 22:05:43,613 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 22:05:43,613 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 22:05:43,614 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 62 77) no Hoare annotation was computed. [2023-11-21 22:05:43,614 INFO L899 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2023-11-21 22:05:43,614 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-21 22:05:43,614 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-21 22:05:43,618 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 22:05:43,620 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:05:43,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:43,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:43,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:43,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:43,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:43,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2023-11-21 22:05:43,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-21 22:05:43,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:05:43 BoogieIcfgContainer [2023-11-21 22:05:43,637 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:05:43,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:05:43,638 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:05:43,638 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:05:43,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:05:08" (3/4) ... [2023-11-21 22:05:43,640 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:05:43,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-21 22:05:43,649 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-21 22:05:43,649 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 22:05:43,650 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:05:43,650 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:05:43,776 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:05:43,777 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:05:43,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:05:43,778 INFO L158 Benchmark]: Toolchain (without parser) took 36891.77ms. Allocated memory was 58.7MB in the beginning and 589.3MB in the end (delta: 530.6MB). Free memory was 34.3MB in the beginning and 434.3MB in the end (delta: -400.0MB). Peak memory consumption was 132.6MB. Max. memory is 16.1GB. [2023-11-21 22:05:43,779 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:05:43,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.32ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 34.2MB in the beginning and 52.4MB in the end (delta: -18.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-21 22:05:43,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.39ms. Allocated memory is still 75.5MB. Free memory was 52.4MB in the beginning and 50.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:43,780 INFO L158 Benchmark]: Boogie Preprocessor took 100.67ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 47.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:05:43,780 INFO L158 Benchmark]: RCFGBuilder took 670.17ms. Allocated memory is still 75.5MB. Free memory was 47.9MB in the beginning and 43.6MB in the end (delta: 4.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 22:05:43,781 INFO L158 Benchmark]: TraceAbstraction took 35413.24ms. Allocated memory was 75.5MB in the beginning and 589.3MB in the end (delta: 513.8MB). Free memory was 42.8MB in the beginning and 440.6MB in the end (delta: -397.8MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2023-11-21 22:05:43,781 INFO L158 Benchmark]: Witness Printer took 139.65ms. Allocated memory is still 589.3MB. Free memory was 439.5MB in the beginning and 434.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:05:43,785 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 58.7MB. Free memory is still 34.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.32ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 34.2MB in the beginning and 52.4MB in the end (delta: -18.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.39ms. Allocated memory is still 75.5MB. Free memory was 52.4MB in the beginning and 50.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.67ms. Allocated memory is still 75.5MB. Free memory was 50.6MB in the beginning and 47.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 670.17ms. Allocated memory is still 75.5MB. Free memory was 47.9MB in the beginning and 43.6MB in the end (delta: 4.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 35413.24ms. Allocated memory was 75.5MB in the beginning and 589.3MB in the end (delta: 513.8MB). Free memory was 42.8MB in the beginning and 440.6MB in the end (delta: -397.8MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * Witness Printer took 139.65ms. Allocated memory is still 589.3MB. Free memory was 439.5MB in the beginning and 434.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 35.3s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 232 SdHoareTripleChecker+Invalid, 1.2s 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, 2.9s 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, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 28.8s 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 22:05:43,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5cc38a1-53f5-472c-b398-e4ed5585c890/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