./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU --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 152e91bdfeeca351de118ff3a888feb233fa9303b75d50bec7a3322cb6905be6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:13:54,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:13:54,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:13:54,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:13:54,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:13:54,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:13:54,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:13:54,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:13:54,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:13:54,249 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:13:54,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:13:54,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:13:54,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:13:54,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:13:54,251 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:13:54,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:13:54,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:13:54,257 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:13:54,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:13:54,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:13:54,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:13:54,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:13:54,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:13:54,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:13:54,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:13:54,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:13:54,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:13:54,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:13:54,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:13:54,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:13:54,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:13:54,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:13:54,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:54,262 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:13:54,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:13:54,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:13:54,265 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:13:54,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:13:54,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:13:54,266 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:13:54,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:13:54,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:13:54,267 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_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 152e91bdfeeca351de118ff3a888feb233fa9303b75d50bec7a3322cb6905be6 [2024-10-31 22:13:54,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:13:54,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:13:54,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:13:54,625 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:13:54,625 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:13:54,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i Unable to find full path for "g++" [2024-10-31 22:13:56,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:13:57,308 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:13:57,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i [2024-10-31 22:13:57,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/data/35e7ae01f/333dd208663642639382a33a94fecf4c/FLAG253ace637 [2024-10-31 22:13:57,353 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/data/35e7ae01f/333dd208663642639382a33a94fecf4c [2024-10-31 22:13:57,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:13:57,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:13:57,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:57,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:13:57,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:13:57,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:57,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198cb909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57, skipping insertion in model container [2024-10-31 22:13:57,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:57,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:13:57,709 WARN L251 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_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i[915,928] [2024-10-31 22:13:57,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:57,827 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:13:57,849 WARN L251 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_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i[915,928] [2024-10-31 22:13:57,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:13:57,920 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:13:57,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57 WrapperNode [2024-10-31 22:13:57,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:13:57,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:57,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:13:57,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:13:57,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:57,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,012 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2024-10-31 22:13:58,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:13:58,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:13:58,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:13:58,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:13:58,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,047 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:13:58,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:13:58,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:13:58,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:13:58,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:13:58,069 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (1/1) ... [2024-10-31 22:13:58,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:13:58,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:13:58,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:13:58,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:13:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:13:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:13:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:13:58,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:13:58,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:13:58,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:13:58,295 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:13:58,301 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:58,749 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:58,749 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:58,772 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:58,773 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:13:58,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:58 BoogieIcfgContainer [2024-10-31 22:13:58,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:58,778 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:58,778 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:58,783 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:58,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:13:57" (1/3) ... [2024-10-31 22:13:58,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b66526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:58, skipping insertion in model container [2024-10-31 22:13:58,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:13:57" (2/3) ... [2024-10-31 22:13:58,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52b66526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:58, skipping insertion in model container [2024-10-31 22:13:58,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:58" (3/3) ... [2024-10-31 22:13:58,791 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-17.i [2024-10-31 22:13:58,815 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:58,816 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:13:58,927 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:58,940 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@46b77b80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:58,941 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:13:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.3) internal successors, (52), 41 states have internal predecessors, (52), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:13:58,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-31 22:13:58,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:58,983 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:58,984 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:58,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:58,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1780464124, now seen corresponding path program 1 times [2024-10-31 22:13:59,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:59,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671255134] [2024-10-31 22:13:59,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:59,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:13:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:13:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:13:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-31 22:13:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:13:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:13:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:13:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-31 22:13:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:13:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-31 22:13:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:13:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-31 22:13:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:13:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:13:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:13:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-31 22:13:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:13:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 22:13:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:13:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-31 22:13:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-31 22:13:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-31 22:13:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:13:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-31 22:13:59,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:59,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671255134] [2024-10-31 22:13:59,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671255134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:59,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:59,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:13:59,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616113264] [2024-10-31 22:13:59,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:59,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:13:59,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:59,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:13:59,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:59,706 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.3) internal successors, (52), 41 states have internal predecessors, (52), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-31 22:13:59,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:13:59,752 INFO L93 Difference]: Finished difference Result 125 states and 213 transitions. [2024-10-31 22:13:59,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:13:59,755 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-10-31 22:13:59,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:13:59,762 INFO L225 Difference]: With dead ends: 125 [2024-10-31 22:13:59,762 INFO L226 Difference]: Without dead ends: 62 [2024-10-31 22:13:59,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:13:59,770 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:13:59,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:13:59,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-10-31 22:13:59,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-10-31 22:13:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.2162162162162162) internal successors, (45), 37 states have internal predecessors, (45), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:13:59,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 91 transitions. [2024-10-31 22:13:59,837 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 91 transitions. Word has length 144 [2024-10-31 22:13:59,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:13:59,842 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 91 transitions. [2024-10-31 22:13:59,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-31 22:13:59,846 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2024-10-31 22:13:59,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-10-31 22:13:59,850 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:59,852 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:59,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:13:59,853 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:59,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:59,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1587235702, now seen corresponding path program 1 times [2024-10-31 22:13:59,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:59,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653953015] [2024-10-31 22:13:59,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:59,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:14:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:14:00,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [230256980] [2024-10-31 22:14:00,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:00,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:00,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:00,135 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:14:00,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:14:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:00,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:14:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:14:00,567 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:14:00,568 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:14:00,572 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:14:00,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:14:00,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:14:00,778 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:14:00,927 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:14:00,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:14:00 BoogieIcfgContainer [2024-10-31 22:14:00,932 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:14:00,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:14:00,933 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:14:00,933 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:14:00,934 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:58" (3/4) ... [2024-10-31 22:14:00,937 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:14:00,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:14:00,939 INFO L158 Benchmark]: Toolchain (without parser) took 3576.11ms. Allocated memory is still 163.6MB. Free memory was 132.2MB in the beginning and 78.8MB in the end (delta: 53.3MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-10-31 22:14:00,940 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 113.2MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:14:00,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 554.84ms. Allocated memory is still 163.6MB. Free memory was 132.2MB in the beginning and 117.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:14:00,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.23ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:14:00,943 INFO L158 Benchmark]: Boogie Preprocessor took 52.95ms. Allocated memory is still 163.6MB. Free memory was 115.6MB in the beginning and 113.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:14:00,943 INFO L158 Benchmark]: RCFGBuilder took 706.61ms. Allocated memory is still 163.6MB. Free memory was 113.2MB in the beginning and 96.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-31 22:14:00,943 INFO L158 Benchmark]: TraceAbstraction took 2154.33ms. Allocated memory is still 163.6MB. Free memory was 95.9MB in the beginning and 78.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-10-31 22:14:00,944 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 163.6MB. Free memory was 78.8MB in the beginning and 78.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:14:00,950 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 113.2MB. Free memory was 68.7MB in the beginning and 68.6MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 554.84ms. Allocated memory is still 163.6MB. Free memory was 132.2MB in the beginning and 117.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.23ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 115.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.95ms. Allocated memory is still 163.6MB. Free memory was 115.6MB in the beginning and 113.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 706.61ms. Allocated memory is still 163.6MB. Free memory was 113.2MB in the beginning and 96.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2154.33ms. Allocated memory is still 163.6MB. Free memory was 95.9MB in the beginning and 78.8MB in the end (delta: 17.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 163.6MB. Free memory was 78.8MB in the beginning and 78.8MB in the end (delta: 2.7kB). 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 96, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 10000000.8; [L23] double var_1_3 = 16.2; [L24] double var_1_4 = 7.5; [L25] double var_1_5 = 49.6; [L26] signed short int var_1_6 = -10; [L27] unsigned long int var_1_7 = 3280833198; [L28] unsigned long int var_1_8 = 10000000; [L29] signed short int var_1_10 = 1; [L30] signed long int var_1_11 = -32; [L31] double var_1_12 = 128.25; [L32] double var_1_13 = 4.4; [L33] signed long int var_1_14 = -1; [L34] signed long int var_1_15 = 4; [L35] signed long int var_1_16 = 64; [L36] signed long int var_1_17 = 4; [L37] unsigned char var_1_18 = 1; [L38] unsigned char var_1_19 = 1; VAL [isInitial=0, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_3=81/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] FCALL updateLastVariables() [L104] CALL updateVariables() [L56] var_1_3 = __VERIFIER_nondet_double() [L57] CALL assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L57] RET assume_abort_if_not((var_1_3 >= -461168.6018427382800e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 4611686.018427382800e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_4=15/2, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L58] var_1_4 = __VERIFIER_nondet_double() [L59] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L59] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_5=248/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L60] var_1_5 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L61] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=3280833198, var_1_8=10000000] [L62] var_1_7 = __VERIFIER_nondet_ulong() [L63] CALL assume_abort_if_not(var_1_7 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=10000000] [L63] RET assume_abort_if_not(var_1_7 >= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=10000000] [L64] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=10000000] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=10000000] [L64] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=10000000] [L65] var_1_8 = __VERIFIER_nondet_ulong() [L66] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649] [L66] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649] [L67] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L67] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L68] var_1_10 = __VERIFIER_nondet_short() [L69] CALL assume_abort_if_not(var_1_10 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L69] RET assume_abort_if_not(var_1_10 >= -32767) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L70] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L70] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_12=513/4, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L71] var_1_12 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L72] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L73] CALL assume_abort_if_not(var_1_12 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L73] RET assume_abort_if_not(var_1_12 != 0.0F) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_13=22/5, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L74] var_1_13 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L75] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L76] CALL assume_abort_if_not(var_1_13 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L76] RET assume_abort_if_not(var_1_13 != 0.0F) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L77] var_1_14 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_14 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L78] RET assume_abort_if_not(var_1_14 >= -1) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L79] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L79] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=4, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L80] var_1_15 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L81] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L82] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L82] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=64, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L83] var_1_16 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_16 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L84] RET assume_abort_if_not(var_1_16 >= -1) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L85] CALL assume_abort_if_not(var_1_16 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L85] RET assume_abort_if_not(var_1_16 <= 2147483646) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L86] var_1_17 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L87] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L88] CALL assume_abort_if_not(var_1_17 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L88] RET assume_abort_if_not(var_1_17 <= 2147483646) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L89] var_1_19 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_19 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L90] RET assume_abort_if_not(var_1_19 >= 1) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L91] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L91] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, var_1_10=-32767, var_1_11=-32, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L104] RET updateVariables() [L105] CALL step() [L42] COND TRUE (var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13)))) [L43] var_1_11 = (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))) VAL [isInitial=1, var_1_10=-32767, var_1_11=1, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L45] EXPR var_1_15 >> var_1_11 VAL [isInitial=1, var_1_10=-32767, var_1_11=1, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L45] COND TRUE ((var_1_15 >> var_1_11) * var_1_7) <= var_1_17 [L46] var_1_18 = var_1_19 VAL [isInitial=1, var_1_10=-32767, var_1_11=1, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_1=50000004/5, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L48] COND TRUE \read(var_1_18) [L49] var_1_1 = (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))) VAL [isInitial=1, var_1_10=-32767, var_1_11=1, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_6=-10, var_1_7=-2147483649, var_1_8=2147483647] [L51] COND TRUE (((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11 [L52] var_1_6 = var_1_10 VAL [isInitial=1, var_1_10=-32767, var_1_11=1, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_6=-32767, var_1_7=-2147483649, var_1_8=2147483647] [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR (((var_1_18 ? (var_1_1 == ((double) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11) ? (var_1_6 == ((signed short int) var_1_10)) : 1)) && (((var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11 == ((signed long int) (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))))) : 1)) && ((((var_1_15 >> var_1_11) * var_1_7) <= var_1_17) ? (var_1_18 == ((unsigned char) var_1_19)) : 1) VAL [isInitial=1, var_1_10=-32767, var_1_11=1, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_6=-32767, var_1_7=-2147483649, var_1_8=2147483647] [L96-L97] return (((var_1_18 ? (var_1_1 == ((double) (var_1_3 + ((((var_1_4) < ((49.5 + var_1_5))) ? (var_1_4) : ((49.5 + var_1_5))))))) : 1) && (((((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) - var_1_8) < var_1_11) ? (var_1_6 == ((signed short int) var_1_10)) : 1)) && (((var_1_5 * (- var_1_3)) != ((var_1_4 / 255.25) / ((((var_1_12) < (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11 == ((signed long int) (((((var_1_14 - var_1_15)) > ((var_1_16 - var_1_17))) ? ((var_1_14 - var_1_15)) : ((var_1_16 - var_1_17)))))) : 1)) && ((((var_1_15 >> var_1_11) * var_1_7) <= var_1_17) ? (var_1_18 == ((unsigned char) var_1_19)) : 1) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-32767, var_1_11=1, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_6=-32767, var_1_7=-2147483649, var_1_8=2147483647] [L19] reach_error() VAL [isInitial=1, var_1_10=-32767, var_1_11=1, var_1_14=-1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=1, var_1_19=1, var_1_6=-32767, var_1_7=-2147483649, var_1_8=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 91 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 91 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1012/1012 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 [2024-10-31 22:14:01,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU --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 152e91bdfeeca351de118ff3a888feb233fa9303b75d50bec7a3322cb6905be6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:03,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:03,633 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:14:03,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:03,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:03,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:03,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:03,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:03,672 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:14:03,672 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:14:03,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:03,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:03,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:03,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:03,678 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:03,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:03,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:03,679 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:14:03,680 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:14:03,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:03,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:03,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:03,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:03,685 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:14:03,685 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:14:03,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:03,686 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:14:03,686 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:14:03,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:03,687 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:03,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:03,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:03,692 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:14:03,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:03,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:03,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:03,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:03,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:03,693 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:14:03,694 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:14:03,694 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:03,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:03,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:03,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:03,696 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:14:03,696 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_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 152e91bdfeeca351de118ff3a888feb233fa9303b75d50bec7a3322cb6905be6 [2024-10-31 22:14:04,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:04,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:04,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:04,124 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:04,124 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:04,126 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i Unable to find full path for "g++" [2024-10-31 22:14:06,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:06,551 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:06,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i [2024-10-31 22:14:06,565 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/data/821622476/53435815203c49bdbaedf6d02c89207c/FLAGbc43aadcd [2024-10-31 22:14:06,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/data/821622476/53435815203c49bdbaedf6d02c89207c [2024-10-31 22:14:06,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:06,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:06,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:06,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:06,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:06,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:06" (1/1) ... [2024-10-31 22:14:06,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f5f97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:06, skipping insertion in model container [2024-10-31 22:14:06,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:06" (1/1) ... [2024-10-31 22:14:06,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:14:06,856 WARN L251 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_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i[915,928] [2024-10-31 22:14:06,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:06,957 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:14:06,971 WARN L251 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_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-17.i[915,928] [2024-10-31 22:14:07,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:14:07,055 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:14:07,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07 WrapperNode [2024-10-31 22:14:07,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:07,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:07,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:14:07,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:14:07,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,132 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2024-10-31 22:14:07,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:14:07,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:14:07,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:14:07,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:14:07,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,169 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,188 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:14:07,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:14:07,217 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:14:07,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:14:07,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:14:07,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (1/1) ... [2024-10-31 22:14:07,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:07,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:14:07,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:14:07,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:14:07,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:14:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:14:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:14:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:14:07,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:14:07,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:14:07,420 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:14:07,427 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:14:22,605 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:14:22,606 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:14:22,630 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:14:22,630 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:14:22,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:22 BoogieIcfgContainer [2024-10-31 22:14:22,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:14:22,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:14:22,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:14:22,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:14:22,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:06" (1/3) ... [2024-10-31 22:14:22,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df26314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:22, skipping insertion in model container [2024-10-31 22:14:22,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:07" (2/3) ... [2024-10-31 22:14:22,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5df26314 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:14:22, skipping insertion in model container [2024-10-31 22:14:22,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:14:22" (3/3) ... [2024-10-31 22:14:22,649 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-17.i [2024-10-31 22:14:22,669 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:14:22,670 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:14:22,747 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:14:22,754 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3feedc0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:14:22,754 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:14:22,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 34 states have internal predecessors, (42), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:14:22,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-31 22:14:22,773 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:22,774 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:22,775 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:22,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:22,781 INFO L85 PathProgramCache]: Analyzing trace with hash 462284259, now seen corresponding path program 1 times [2024-10-31 22:14:22,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:14:22,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262588692] [2024-10-31 22:14:22,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:22,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:14:22,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:14:22,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:14:22,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:14:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:24,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:14:24,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:14:24,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 332 proven. 0 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2024-10-31 22:14:24,446 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:14:24,447 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:14:24,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262588692] [2024-10-31 22:14:24,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262588692] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:14:24,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:14:24,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:14:24,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212847742] [2024-10-31 22:14:24,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:14:24,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:14:24,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:14:24,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:14:24,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:24,493 INFO L87 Difference]: Start difference. First operand has 59 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 34 states have internal predecessors, (42), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-31 22:14:24,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:14:24,538 INFO L93 Difference]: Finished difference Result 111 states and 193 transitions. [2024-10-31 22:14:24,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:14:24,541 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 141 [2024-10-31 22:14:24,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:14:24,549 INFO L225 Difference]: With dead ends: 111 [2024-10-31 22:14:24,550 INFO L226 Difference]: Without dead ends: 55 [2024-10-31 22:14:24,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:14:24,557 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:14:24,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:14:24,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-10-31 22:14:24,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-10-31 22:14:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:14:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 81 transitions. [2024-10-31 22:14:24,606 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 81 transitions. Word has length 141 [2024-10-31 22:14:24,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:14:24,606 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 81 transitions. [2024-10-31 22:14:24,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-10-31 22:14:24,607 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2024-10-31 22:14:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-10-31 22:14:24,612 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:14:24,612 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:14:24,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:14:24,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:14:24,816 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:14:24,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:14:24,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1849330403, now seen corresponding path program 1 times [2024-10-31 22:14:24,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:14:24,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610902220] [2024-10-31 22:14:24,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:14:24,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:14:24,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:14:24,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:14:24,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b6d6fa-57e2-4a8d-adec-7a559a9dcb13/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 22:14:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:14:26,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-31 22:14:26,847 INFO L278 TraceCheckSpWp]: Computing forward predicates...