./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ --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 80b1310bfd0ebb1f8adee6a07bb0f77a4784a083406c8d78ad068fae1e450221 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:38:41,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:38:41,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 21:38:41,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:38:41,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:38:41,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:38:41,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:38:41,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:38:41,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:38:41,619 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:38:41,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:38:41,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:38:41,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:38:41,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:38:41,626 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:38:41,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:38:41,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:38:41,628 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:38:41,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:38:41,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:38:41,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:38:41,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:38:41,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:38:41,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:38:41,632 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:38:41,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:38:41,634 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:38:41,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:38:41,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:38:41,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:38:41,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:38:41,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:38:41,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:38:41,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:38:41,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:38:41,662 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:38:41,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:38:41,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:38:41,664 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:38:41,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:38:41,665 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:38:41,665 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:38:41,666 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_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b1310bfd0ebb1f8adee6a07bb0f77a4784a083406c8d78ad068fae1e450221 [2023-11-23 21:38:42,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:38:42,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:38:42,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:38:42,157 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:38:42,158 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:38:42,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i [2023-11-23 21:38:45,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:38:45,832 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:38:45,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i [2023-11-23 21:38:45,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/data/71aa17138/8ba47fba24da470ca162ead082b66550/FLAGb49e5602f [2023-11-23 21:38:45,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/data/71aa17138/8ba47fba24da470ca162ead082b66550 [2023-11-23 21:38:45,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:38:45,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:38:45,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:38:45,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:38:45,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:38:45,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:38:45" (1/1) ... [2023-11-23 21:38:45,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63453abc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:45, skipping insertion in model container [2023-11-23 21:38:45,889 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:38:45" (1/1) ... [2023-11-23 21:38:45,931 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:38:46,154 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i[913,926] [2023-11-23 21:38:46,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:38:46,258 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:38:46,280 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i[913,926] [2023-11-23 21:38:46,302 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:38:46,320 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:38:46,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46 WrapperNode [2023-11-23 21:38:46,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:38:46,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:38:46,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:38:46,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:38:46,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,383 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-23 21:38:46,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:38:46,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:38:46,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:38:46,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:38:46,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,408 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,423 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:38:46,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:38:46,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:38:46,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:38:46,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:38:46,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (1/1) ... [2023-11-23 21:38:46,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:38:46,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:46,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:46,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:38:46,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:38:46,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:38:46,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:38:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:38:46,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:38:46,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:38:46,736 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:38:46,739 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:38:47,120 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:38:47,186 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:38:47,186 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:38:47,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:47 BoogieIcfgContainer [2023-11-23 21:38:47,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:38:47,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:38:47,207 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:38:47,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:38:47,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:38:45" (1/3) ... [2023-11-23 21:38:47,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a64a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:38:47, skipping insertion in model container [2023-11-23 21:38:47,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:46" (2/3) ... [2023-11-23 21:38:47,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a64a9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:38:47, skipping insertion in model container [2023-11-23 21:38:47,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:47" (3/3) ... [2023-11-23 21:38:47,216 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-72.i [2023-11-23 21:38:47,243 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:38:47,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:38:47,298 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:38:47,305 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@376eb166, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:38:47,306 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:38:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:38:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:38:47,325 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:38:47,326 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:38:47,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:38:47,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:47,333 INFO L85 PathProgramCache]: Analyzing trace with hash 281354206, now seen corresponding path program 1 times [2023-11-23 21:38:47,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:47,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033604125] [2023-11-23 21:38:47,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:47,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 21:38:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 21:38:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 21:38:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 21:38:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 21:38:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 21:38:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 21:38:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-23 21:38:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 21:38:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 21:38:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 21:38:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-23 21:38:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-23 21:38:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-23 21:38:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-11-23 21:38:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-23 21:38:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-23 21:38:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:38:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 21:38:47,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:38:47,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033604125] [2023-11-23 21:38:47,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033604125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:38:47,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:38:47,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:38:47,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032423619] [2023-11-23 21:38:47,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:38:47,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:38:47,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:38:47,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:38:47,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:38:47,878 INFO L87 Difference]: Start difference. First operand has 45 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:38:47,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:38:47,928 INFO L93 Difference]: Finished difference Result 87 states and 151 transitions. [2023-11-23 21:38:47,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:38:47,931 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 104 [2023-11-23 21:38:47,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:38:47,942 INFO L225 Difference]: With dead ends: 87 [2023-11-23 21:38:47,942 INFO L226 Difference]: Without dead ends: 43 [2023-11-23 21:38:47,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:38:47,951 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:38:47,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:38:47,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-23 21:38:47,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-23 21:38:48,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:38:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 63 transitions. [2023-11-23 21:38:48,005 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 63 transitions. Word has length 104 [2023-11-23 21:38:48,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:38:48,005 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 63 transitions. [2023-11-23 21:38:48,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:38:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2023-11-23 21:38:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:38:48,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:38:48,011 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:38:48,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:38:48,011 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:38:48,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:38:48,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1844682020, now seen corresponding path program 1 times [2023-11-23 21:38:48,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:38:48,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622220779] [2023-11-23 21:38:48,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:38:48,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:38:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:48,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:38:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:38:48,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:38:48,470 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:38:48,472 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:38:48,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:38:48,479 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:38:48,484 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:38:48,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:38:48 BoogieIcfgContainer [2023-11-23 21:38:48,624 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:38:48,625 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:38:48,625 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:38:48,626 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:38:48,626 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:38:47" (3/4) ... [2023-11-23 21:38:48,632 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:38:48,633 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:38:48,635 INFO L158 Benchmark]: Toolchain (without parser) took 2758.72ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 123.7MB in the beginning and 153.9MB in the end (delta: -30.3MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-11-23 21:38:48,635 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:38:48,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.25ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 111.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:38:48,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.14ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 109.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:38:48,638 INFO L158 Benchmark]: Boogie Preprocessor took 54.56ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 106.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:38:48,639 INFO L158 Benchmark]: RCFGBuilder took 741.02ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 89.1MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:38:48,640 INFO L158 Benchmark]: TraceAbstraction took 1426.87ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 88.5MB in the beginning and 153.9MB in the end (delta: -65.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:38:48,640 INFO L158 Benchmark]: Witness Printer took 8.77ms. Allocated memory is still 224.4MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:38:48,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.25ms. Allocated memory is still 167.8MB. Free memory was 123.7MB in the beginning and 111.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.14ms. Allocated memory is still 167.8MB. Free memory was 111.1MB in the beginning and 109.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.56ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 106.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 741.02ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 89.1MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1426.87ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 88.5MB in the beginning and 153.9MB in the end (delta: -65.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.77ms. Allocated memory is still 224.4MB. Free memory is still 153.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_8 = 1; [L25] unsigned char var_1_9 = 0; [L26] unsigned long int var_1_10 = 2; [L27] signed char var_1_11 = -16; [L28] signed char var_1_12 = -2; [L29] signed char var_1_13 = -10; [L30] signed char var_1_14 = 4; [L31] double var_1_15 = 256.4; [L32] float var_1_16 = 0.25; [L33] double var_1_17 = 100000000000.2; [L34] double var_1_18 = 50.5; [L35] double var_1_19 = 9.5; [L36] double var_1_20 = 100000000000.4; [L37] signed char var_1_21 = 4; [L38] unsigned short int var_1_22 = 10000; [L39] unsigned char last_1_var_1_1 = 1; [L40] double last_1_var_1_15 = 256.4; [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L92] last_1_var_1_1 = var_1_1 [L93] last_1_var_1_15 = var_1_15 [L103] RET updateLastVariables() [L104] CALL updateVariables() [L63] var_1_6 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L65] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L65] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L66] var_1_8 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L67] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L68] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L69] var_1_9 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1] [L70] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1] [L71] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L71] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L74] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L75] var_1_13 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L76] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L77] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L78] var_1_14 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L80] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_16=1/4, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L82] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L83] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_17=500000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L84] var_1_17 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L85] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L86] var_1_18 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L87] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L88] var_1_19 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L89] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L104] RET updateVariables() [L105] CALL step() [L44] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_1=1, var_1_20=500000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L47] var_1_11 = (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14)))) [L48] var_1_20 = var_1_19 [L49] var_1_21 = 1 [L50] var_1_22 = 10 VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=100000000005, var_1_1=1, var_1_20=100000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L51] COND FALSE !((var_1_20 + (var_1_20 / var_1_16)) == var_1_20) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=100000000005, var_1_1=1, var_1_20=100000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L58] COND TRUE var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15) [L59] var_1_1 = (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=100000000005, var_1_1=0, var_1_20=100000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((((((var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) ? (var_1_1 == ((unsigned char) (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)))) : 1) && (var_1_9 ? (var_1_10 == ((unsigned long int) 2u)) : 1)) && (var_1_11 == ((signed char) (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14))))))) && (((var_1_20 + (var_1_20 / var_1_16)) == var_1_20) ? ((var_1_20 >= last_1_var_1_15) ? (var_1_15 == ((double) (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))))) : (var_1_15 == ((double) ((((var_1_17) < ((5.75 + var_1_19))) ? (var_1_17) : ((5.75 + var_1_19))))))) : 1)) && (var_1_20 == ((double) var_1_19))) && (var_1_21 == ((signed char) 1))) && (var_1_22 == ((unsigned short int) 10)) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=100000000005, var_1_1=0, var_1_20=100000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-116, var_1_12=63, var_1_13=63, var_1_14=126, var_1_15=1282/5, var_1_19=100000000005, var_1_1=0, var_1_20=100000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 17, 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, 60 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 60 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 208 NumberOfCodeBlocks, 208 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 103 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 544/544 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:38:48,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ --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 80b1310bfd0ebb1f8adee6a07bb0f77a4784a083406c8d78ad068fae1e450221 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:38:51,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:38:51,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 21:38:51,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:38:51,908 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:38:51,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:38:51,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:38:51,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:38:51,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:38:51,975 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:38:51,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:38:51,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:38:51,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:38:51,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:38:51,980 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:38:51,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:38:51,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:38:51,982 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:38:51,983 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:38:51,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:38:51,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:38:51,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:38:51,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:38:51,987 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:38:51,987 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:38:51,988 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:38:51,989 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:38:51,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:38:51,990 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:38:51,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:38:51,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:38:51,993 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:38:51,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:38:51,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:38:51,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:38:51,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:38:51,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:38:51,996 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 21:38:51,997 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:38:51,997 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:38:51,997 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:38:51,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:38:51,998 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:38:51,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:38:51,999 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 21:38:52,000 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_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b1310bfd0ebb1f8adee6a07bb0f77a4784a083406c8d78ad068fae1e450221 [2023-11-23 21:38:52,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:38:52,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:38:52,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:38:52,523 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:38:52,524 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:38:52,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i [2023-11-23 21:38:56,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:38:56,745 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:38:56,746 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i [2023-11-23 21:38:56,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/data/e62997477/4a582cfa55c44069ab2f0fc09e7f0390/FLAGca3846543 [2023-11-23 21:38:56,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/data/e62997477/4a582cfa55c44069ab2f0fc09e7f0390 [2023-11-23 21:38:56,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:38:56,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:38:56,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:38:56,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:38:56,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:38:56,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:38:56" (1/1) ... [2023-11-23 21:38:56,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f3e060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:56, skipping insertion in model container [2023-11-23 21:38:56,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:38:56" (1/1) ... [2023-11-23 21:38:56,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:38:57,004 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i[913,926] [2023-11-23 21:38:57,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:38:57,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:38:57,118 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-72.i[913,926] [2023-11-23 21:38:57,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:38:57,211 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:38:57,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57 WrapperNode [2023-11-23 21:38:57,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:38:57,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:38:57,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:38:57,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:38:57,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,305 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-23 21:38:57,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:38:57,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:38:57,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:38:57,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:38:57,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,345 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,372 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:38:57,372 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,372 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,405 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,420 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:38:57,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:38:57,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:38:57,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:38:57,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (1/1) ... [2023-11-23 21:38:57,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:38:57,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:38:57,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:38:57,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:38:57,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:38:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 21:38:57,541 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:38:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:38:57,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:38:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:38:57,695 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:38:57,697 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:39:09,741 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:39:09,824 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:39:09,824 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:39:09,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:39:09 BoogieIcfgContainer [2023-11-23 21:39:09,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:39:09,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:39:09,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:39:09,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:39:09,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:38:56" (1/3) ... [2023-11-23 21:39:09,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46db45c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:39:09, skipping insertion in model container [2023-11-23 21:39:09,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:38:57" (2/3) ... [2023-11-23 21:39:09,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46db45c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:39:09, skipping insertion in model container [2023-11-23 21:39:09,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:39:09" (3/3) ... [2023-11-23 21:39:09,842 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-72.i [2023-11-23 21:39:09,865 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:39:09,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:39:09,930 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:39:09,938 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@dc060b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:39:09,939 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:39:09,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:39:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:39:09,962 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:39:09,963 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:39:09,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:39:09,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:39:09,974 INFO L85 PathProgramCache]: Analyzing trace with hash 281354206, now seen corresponding path program 1 times [2023-11-23 21:39:09,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:39:09,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952551908] [2023-11-23 21:39:09,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:39:09,996 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:39:10,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:39:10,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:39:10,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:39:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:11,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:39:11,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:39:11,669 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2023-11-23 21:39:11,669 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:39:11,670 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:39:11,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952551908] [2023-11-23 21:39:11,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1952551908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:39:11,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:39:11,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:39:11,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114638940] [2023-11-23 21:39:11,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:39:11,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:39:11,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:39:11,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:39:11,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:39:11,718 INFO L87 Difference]: Start difference. First operand has 45 states, 25 states have (on average 1.36) internal successors, (34), 26 states have internal predecessors, (34), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:39:14,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:39:14,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:39:14,169 INFO L93 Difference]: Finished difference Result 87 states and 151 transitions. [2023-11-23 21:39:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:39:14,308 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 104 [2023-11-23 21:39:14,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:39:14,317 INFO L225 Difference]: With dead ends: 87 [2023-11-23 21:39:14,317 INFO L226 Difference]: Without dead ends: 43 [2023-11-23 21:39:14,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:39:14,326 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:39:14,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:39:14,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-23 21:39:14,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-23 21:39:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 21:39:14,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 63 transitions. [2023-11-23 21:39:14,387 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 63 transitions. Word has length 104 [2023-11-23 21:39:14,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:39:14,388 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 63 transitions. [2023-11-23 21:39:14,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:39:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2023-11-23 21:39:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:39:14,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:39:14,398 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:39:14,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 21:39:14,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:39:14,599 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:39:14,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:39:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1844682020, now seen corresponding path program 1 times [2023-11-23 21:39:14,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:39:14,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [210995513] [2023-11-23 21:39:14,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:39:14,602 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:39:14,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:39:14,604 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:39:14,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e17e86-452a-43fd-8722-e5c10370d150/bin/uautomizer-verify-zZY32mL2XJ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:39:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:39:16,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 21:39:16,124 INFO L285 TraceCheckSpWp]: Computing forward predicates...