./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya --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 ba1656c506dac43e8e1782550f97cd95196bbd4de44fa7d31ee77969c5bceecc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:35:12,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:35:12,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 06:35:12,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:35:12,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:35:12,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:35:12,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:35:12,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:35:12,624 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:35:12,624 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:35:12,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:35:12,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:35:12,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:35:12,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:35:12,628 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:35:12,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:35:12,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:35:12,629 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:35:12,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:35:12,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:35:12,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:35:12,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:35:12,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:35:12,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:35:12,633 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:35:12,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:35:12,634 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:35:12,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:35:12,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:35:12,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:35:12,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:35:12,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:35:12,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:35:12,637 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:35:12,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:35:12,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:35:12,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:35:12,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:35:12,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:35:12,640 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:35:12,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:35:12,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:35:12,641 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_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba1656c506dac43e8e1782550f97cd95196bbd4de44fa7d31ee77969c5bceecc [2023-11-29 06:35:12,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:35:12,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:35:12,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:35:12,957 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:35:12,957 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:35:12,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i [2023-11-29 06:35:15,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:35:16,171 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:35:16,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i [2023-11-29 06:35:16,184 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/data/88f62852a/7cfa302658aa40dfabaac8e4343b4069/FLAG8934491d7 [2023-11-29 06:35:16,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/data/88f62852a/7cfa302658aa40dfabaac8e4343b4069 [2023-11-29 06:35:16,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:35:16,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:35:16,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:35:16,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:35:16,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:35:16,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479c935d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16, skipping insertion in model container [2023-11-29 06:35:16,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:35:16,421 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_19efb3e4-8963-4ed8-a037-e114e4fe2416/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i[913,926] [2023-11-29 06:35:16,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:35:16,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:35:16,501 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_19efb3e4-8963-4ed8-a037-e114e4fe2416/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i[913,926] [2023-11-29 06:35:16,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:35:16,547 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:35:16,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16 WrapperNode [2023-11-29 06:35:16,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:35:16,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:35:16,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:35:16,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:35:16,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,569 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,602 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2023-11-29 06:35:16,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:35:16,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:35:16,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:35:16,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:35:16,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,637 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:35:16,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:35:16,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:35:16,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:35:16,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:35:16,659 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (1/1) ... [2023-11-29 06:35:16,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:35:16,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:16,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:35:16,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:35:16,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:35:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:35:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:35:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:35:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:35:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:35:16,842 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:35:16,845 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:35:17,136 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:35:17,178 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:35:17,178 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:35:17,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:17 BoogieIcfgContainer [2023-11-29 06:35:17,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:35:17,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:35:17,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:35:17,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:35:17,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:35:16" (1/3) ... [2023-11-29 06:35:17,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6393f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:35:17, skipping insertion in model container [2023-11-29 06:35:17,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:16" (2/3) ... [2023-11-29 06:35:17,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a6393f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:35:17, skipping insertion in model container [2023-11-29 06:35:17,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:17" (3/3) ... [2023-11-29 06:35:17,191 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-46.i [2023-11-29 06:35:17,216 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:35:17,217 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:35:17,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:35:17,282 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;@455ac235, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:35:17,283 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:35:17,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 35 states have internal predecessors, (52), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:35:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-29 06:35:17,303 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:17,304 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:17,305 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:17,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:17,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1571954721, now seen corresponding path program 1 times [2023-11-29 06:35:17,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:17,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412254456] [2023-11-29 06:35:17,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:17,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:35:17,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412254456] [2023-11-29 06:35:17,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 06:35:17,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232238957] [2023-11-29 06:35:17,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:17,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:17,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:17,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:17,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:35:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:17,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 06:35:17,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-11-29 06:35:17,732 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:17,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232238957] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:17,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:35:17,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:35:17,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940706489] [2023-11-29 06:35:17,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:17,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:35:17,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:35:17,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:35:17,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:35:17,779 INFO L87 Difference]: Start difference. First operand has 51 states, 34 states have (on average 1.5294117647058822) internal successors, (52), 35 states have internal predecessors, (52), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 06:35:17,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:17,819 INFO L93 Difference]: Finished difference Result 97 states and 168 transitions. [2023-11-29 06:35:17,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:35:17,821 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2023-11-29 06:35:17,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:17,831 INFO L225 Difference]: With dead ends: 97 [2023-11-29 06:35:17,831 INFO L226 Difference]: Without dead ends: 47 [2023-11-29 06:35:17,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:35:17,840 INFO L413 NwaCegarLoop]: 66 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, 66 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 [2023-11-29 06:35:17,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:35:17,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-29 06:35:17,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-29 06:35:17,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 31 states have internal predecessors, (41), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:35:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2023-11-29 06:35:17,894 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 91 [2023-11-29 06:35:17,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:17,895 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2023-11-29 06:35:17,896 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, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 06:35:17,896 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2023-11-29 06:35:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-29 06:35:17,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:17,902 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:17,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:35:18,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:18,103 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:18,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:18,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1378190947, now seen corresponding path program 1 times [2023-11-29 06:35:18,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:35:18,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266616940] [2023-11-29 06:35:18,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:18,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:35:18,165 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:35:18,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [843087670] [2023-11-29 06:35:18,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:18,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:18,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:18,168 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:35:18,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:35:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:35:18,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 06:35:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 06:35:18,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 06:35:18,448 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 06:35:18,449 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 06:35:18,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 06:35:18,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:35:18,656 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 06:35:18,659 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:35:18,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 06:35:18,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated [2023-11-29 06:35:18,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:35:18 BoogieIcfgContainer [2023-11-29 06:35:18,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:35:18,752 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:35:18,752 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:35:18,752 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:35:18,753 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:17" (3/4) ... [2023-11-29 06:35:18,755 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 06:35:18,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:35:18,757 INFO L158 Benchmark]: Toolchain (without parser) took 2549.61ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 107.4MB in the beginning and 122.0MB in the end (delta: -14.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-29 06:35:18,757 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:35:18,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.54ms. Allocated memory is still 146.8MB. Free memory was 106.9MB in the beginning and 94.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 06:35:18,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.64ms. Allocated memory is still 146.8MB. Free memory was 94.8MB in the beginning and 92.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:35:18,759 INFO L158 Benchmark]: Boogie Preprocessor took 52.98ms. Allocated memory is still 146.8MB. Free memory was 92.3MB in the beginning and 89.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:35:18,760 INFO L158 Benchmark]: RCFGBuilder took 522.62ms. Allocated memory is still 146.8MB. Free memory was 89.7MB in the beginning and 71.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 06:35:18,761 INFO L158 Benchmark]: TraceAbstraction took 1567.52ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 70.8MB in the beginning and 122.0MB in the end (delta: -51.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:35:18,761 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 190.8MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:35:18,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.54ms. Allocated memory is still 146.8MB. Free memory was 106.9MB in the beginning and 94.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.64ms. Allocated memory is still 146.8MB. Free memory was 94.8MB in the beginning and 92.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.98ms. Allocated memory is still 146.8MB. Free memory was 92.3MB in the beginning and 89.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.62ms. Allocated memory is still 146.8MB. Free memory was 89.7MB in the beginning and 71.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1567.52ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 70.8MB in the beginning and 122.0MB in the end (delta: -51.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 190.8MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short13 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 31.75; [L24] signed char var_1_4 = -8; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 1; [L28] unsigned char var_1_9 = 1; [L29] signed short int var_1_10 = -4; [L30] signed short int var_1_12 = 32; [L31] signed char var_1_13 = -25; [L32] signed char var_1_16 = 4; [L33] unsigned char last_1_var_1_1 = 1; [L34] signed short int last_1_var_1_10 = -4; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] CALL updateLastVariables() [L96] last_1_var_1_1 = var_1_1 [L97] last_1_var_1_10 = var_1_10 [L107] RET updateLastVariables() [L108] CALL updateVariables() [L73] var_1_2 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-8, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L75] var_1_4 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_4 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L76] RET assume_abort_if_not(var_1_4 >= -128) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L77] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L78] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L78] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_7=0, var_1_8=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_7=0, var_1_8=1, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L81] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L82] var_1_7 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_8=1, var_1_9=1] [L83] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_8=1, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L84] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L85] var_1_9 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L86] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L87] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=32, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L88] var_1_12 = __VERIFIER_nondet_short() [L89] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L89] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_12 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L90] RET assume_abort_if_not(var_1_12 <= 32766) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=4, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L91] var_1_16 = __VERIFIER_nondet_char() [L92] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L92] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L93] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L108] RET updateVariables() [L109] CALL step() [L38] COND FALSE !(last_1_var_1_10 <= (var_1_12 / var_1_4)) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L43] signed long int stepLocal_1 = (((var_1_4) < (var_1_13)) ? (var_1_4) : (var_1_13)); [L44] signed long int stepLocal_0 = var_1_13 / var_1_4; VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L45] COND FALSE !((- var_1_2) >= 16.75) [L60] var_1_1 = 1 VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L62] signed char stepLocal_2 = var_1_13; VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, stepLocal_2=-25, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L63] EXPR var_1_13 | var_1_13 VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, stepLocal_2=-25, var_1_10=-4, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L63] COND TRUE ((var_1_13 | var_1_13) + var_1_4) < stepLocal_2 [L64] var_1_10 = (var_1_12 - 256) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, stepLocal_2=-25, var_1_10=13393, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L68] COND FALSE !(1 == var_1_4) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, stepLocal_0=5, stepLocal_1=-25, stepLocal_2=-25, var_1_10=13393, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR ((((- var_1_2) >= 16.75) ? (((var_1_13 / var_1_4) >= var_1_13) ? ((((((var_1_4) < (var_1_13)) ? (var_1_4) : (var_1_13))) > -32) ? (var_1_1 == ((unsigned char) 0)) : (var_1_1 == ((unsigned char) (var_1_6 || var_1_7)))) : (var_1_6 ? (var_1_1 == ((unsigned char) 1)) : (var_1_1 == ((unsigned char) var_1_7)))) : (var_1_1 == ((unsigned char) 1))) && ((1 == var_1_4) ? (var_1_8 == ((unsigned char) var_1_9)) : 1)) && ((((var_1_13 | var_1_13) + var_1_4) < var_1_13) ? (var_1_10 == ((signed short int) (var_1_12 - 256))) : (var_1_10 == ((signed short int) 128))) VAL [isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=13393, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L100-L101] return (((((- var_1_2) >= 16.75) ? (((var_1_13 / var_1_4) >= var_1_13) ? ((((((var_1_4) < (var_1_13)) ? (var_1_4) : (var_1_13))) > -32) ? (var_1_1 == ((unsigned char) 0)) : (var_1_1 == ((unsigned char) (var_1_6 || var_1_7)))) : (var_1_6 ? (var_1_1 == ((unsigned char) 1)) : (var_1_1 == ((unsigned char) var_1_7)))) : (var_1_1 == ((unsigned char) 1))) && ((1 == var_1_4) ? (var_1_8 == ((unsigned char) var_1_9)) : 1)) && ((((var_1_13 | var_1_13) + var_1_4) < var_1_13) ? (var_1_10 == ((signed short int) (var_1_12 - 256))) : (var_1_10 == ((signed short int) 128)))) && ((last_1_var_1_10 <= (var_1_12 / var_1_4)) ? (last_1_var_1_1 ? (var_1_13 == ((signed char) var_1_16)) : 1) : 1) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=13393, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-4, last_1_var_1_1=1, var_1_10=13393, var_1_12=13649, var_1_13=-25, var_1_16=126, var_1_1=1, var_1_4=-5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 14, 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, 66 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, 66 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 0 NumberOfNonLiveVariables, 220 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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 [2023-11-29 06:35:18,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya --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 ba1656c506dac43e8e1782550f97cd95196bbd4de44fa7d31ee77969c5bceecc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:35:21,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:35:21,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 06:35:21,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:35:21,128 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:35:21,159 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:35:21,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:35:21,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:35:21,161 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:35:21,162 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:35:21,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:35:21,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:35:21,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:35:21,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:35:21,166 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:35:21,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:35:21,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:35:21,168 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:35:21,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:35:21,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:35:21,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:35:21,171 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:35:21,171 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:35:21,172 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 06:35:21,173 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 06:35:21,173 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 06:35:21,174 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:35:21,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:35:21,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:35:21,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:35:21,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:35:21,176 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:35:21,176 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:35:21,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:35:21,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:35:21,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:35:21,178 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:35:21,178 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 06:35:21,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 06:35:21,179 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:35:21,179 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:35:21,180 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:35:21,180 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:35:21,180 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:35:21,181 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 06:35:21,181 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_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba1656c506dac43e8e1782550f97cd95196bbd4de44fa7d31ee77969c5bceecc [2023-11-29 06:35:21,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:35:21,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:35:21,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:35:21,547 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:35:21,547 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:35:21,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i [2023-11-29 06:35:24,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:35:24,973 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:35:24,974 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i [2023-11-29 06:35:24,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/data/b9ddcd1c6/57891116c8004179ba27da8d14bd40b8/FLAG0174f6a90 [2023-11-29 06:35:25,004 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/data/b9ddcd1c6/57891116c8004179ba27da8d14bd40b8 [2023-11-29 06:35:25,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:35:25,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:35:25,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:35:25,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:35:25,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:35:25,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56592328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25, skipping insertion in model container [2023-11-29 06:35:25,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:35:25,242 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_19efb3e4-8963-4ed8-a037-e114e4fe2416/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i[913,926] [2023-11-29 06:35:25,292 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:35:25,313 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:35:25,329 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_19efb3e4-8963-4ed8-a037-e114e4fe2416/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-46.i[913,926] [2023-11-29 06:35:25,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:35:25,380 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:35:25,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25 WrapperNode [2023-11-29 06:35:25,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:35:25,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:35:25,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:35:25,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:35:25,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,439 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 104 [2023-11-29 06:35:25,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:35:25,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:35:25,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:35:25,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:35:25,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,478 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:35:25,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,489 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:35:25,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:35:25,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:35:25,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:35:25,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (1/1) ... [2023-11-29 06:35:25,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:35:25,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:35:25,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:35:25,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:35:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:35:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 06:35:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 06:35:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 06:35:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:35:25,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:35:25,691 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:35:25,693 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:35:26,168 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:35:26,229 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:35:26,229 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:35:26,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:26 BoogieIcfgContainer [2023-11-29 06:35:26,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:35:26,233 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:35:26,233 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:35:26,238 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:35:26,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:35:25" (1/3) ... [2023-11-29 06:35:26,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a5e372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:35:26, skipping insertion in model container [2023-11-29 06:35:26,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:25" (2/3) ... [2023-11-29 06:35:26,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a5e372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:35:26, skipping insertion in model container [2023-11-29 06:35:26,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:26" (3/3) ... [2023-11-29 06:35:26,242 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-46.i [2023-11-29 06:35:26,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:35:26,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 06:35:26,327 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:35:26,335 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;@e805306, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:35:26,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 06:35:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 28 states have internal predecessors, (40), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 06:35:26,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 06:35:26,356 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:26,357 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:26,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:26,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:26,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1384465527, now seen corresponding path program 1 times [2023-11-29 06:35:26,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:35:26,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568765734] [2023-11-29 06:35:26,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:26,382 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 [2023-11-29 06:35:26,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:35:26,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:35:26,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:35:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:26,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:35:26,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:35:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 06:35:27,106 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:35:27,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 06:35:27,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568765734] [2023-11-29 06:35:27,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568765734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:35:27,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:35:27,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:35:27,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291114916] [2023-11-29 06:35:27,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:35:27,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:35:27,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 06:35:27,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:35:27,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:35:27,150 INFO L87 Difference]: Start difference. First operand has 44 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 28 states have internal predecessors, (40), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:35:27,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:35:27,629 INFO L93 Difference]: Finished difference Result 139 states and 247 transitions. [2023-11-29 06:35:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:35:27,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 88 [2023-11-29 06:35:27,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:35:27,643 INFO L225 Difference]: With dead ends: 139 [2023-11-29 06:35:27,643 INFO L226 Difference]: Without dead ends: 96 [2023-11-29 06:35:27,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:35:27,650 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 34 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:35:27,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 177 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:35:27,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-29 06:35:27,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2023-11-29 06:35:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 59 states have internal predecessors, (77), 29 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-11-29 06:35:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 135 transitions. [2023-11-29 06:35:27,717 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 135 transitions. Word has length 88 [2023-11-29 06:35:27,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:35:27,718 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 135 transitions. [2023-11-29 06:35:27,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-11-29 06:35:27,719 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 135 transitions. [2023-11-29 06:35:27,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 06:35:27,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:35:27,724 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:35:27,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:35:27,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:35:27,927 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 06:35:27,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:35:27,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1384525109, now seen corresponding path program 1 times [2023-11-29 06:35:27,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 06:35:27,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2013554204] [2023-11-29 06:35:27,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:35:27,929 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 [2023-11-29 06:35:27,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 06:35:27,930 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 06:35:27,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19efb3e4-8963-4ed8-a037-e114e4fe2416/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 06:35:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:35:28,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-29 06:35:28,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:40:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 196 proven. 24 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 06:40:58,585 INFO L327 TraceCheckSpWp]: Computing backward predicates...