./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2296f8bb93bd4140c35d0b2800df8c874c564098ef0aa8a507c2732dcd35dc25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:04,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:04,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 00:52:04,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:04,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:04,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:04,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:04,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:04,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:04,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:04,601 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:04,602 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:04,603 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:04,605 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:52:04,605 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:04,606 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:04,606 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:52:04,607 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:52:04,607 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:04,608 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:52:04,608 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:52:04,609 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:52:04,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:04,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:04,611 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:52:04,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:52:04,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:52:04,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:04,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:04,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:04,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:04,615 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:52:04,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:04,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:04,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:04,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:04,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:04,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:04,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:04,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:04,618 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:52:04,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:52:04,618 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:04,619 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:04,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:04,620 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2296f8bb93bd4140c35d0b2800df8c874c564098ef0aa8a507c2732dcd35dc25 [2023-11-12 00:52:05,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:05,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:05,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:05,029 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:05,030 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:05,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i [2023-11-12 00:52:08,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:08,508 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:08,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i [2023-11-12 00:52:08,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/data/c7b30653a/ce011ad8d5eb483dbf217d6fdbaaf28a/FLAGc826dee6b [2023-11-12 00:52:08,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/data/c7b30653a/ce011ad8d5eb483dbf217d6fdbaaf28a [2023-11-12 00:52:08,548 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:08,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:08,555 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:08,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:08,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:08,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:08,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22dfe809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08, skipping insertion in model container [2023-11-12 00:52:08,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:08,611 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:52:08,808 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_7a6c4e24-3733-46d1-8a4b-706ad4faf201/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i[919,932] [2023-11-12 00:52:08,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:08,901 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:52:08,915 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_7a6c4e24-3733-46d1-8a4b-706ad4faf201/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i[919,932] [2023-11-12 00:52:08,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:08,958 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:52:08,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08 WrapperNode [2023-11-12 00:52:08,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:08,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:08,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:52:08,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:52:08,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:08,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:09,013 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2023-11-12 00:52:09,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:09,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:52:09,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:52:09,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:52:09,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:09,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:09,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:09,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:09,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:09,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:09,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:09,045 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:09,048 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:52:09,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:52:09,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:52:09,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:52:09,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (1/1) ... [2023-11-12 00:52:09,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:09,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:09,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:52:09,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:52:09,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:52:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:52:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:52:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:52:09,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:52:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:52:09,318 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:52:09,320 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:52:09,767 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:52:10,043 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:52:10,043 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:52:10,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:10 BoogieIcfgContainer [2023-11-12 00:52:10,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:52:10,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:52:10,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:52:10,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:52:10,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:08" (1/3) ... [2023-11-12 00:52:10,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e38e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:10, skipping insertion in model container [2023-11-12 00:52:10,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:08" (2/3) ... [2023-11-12 00:52:10,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e38e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:10, skipping insertion in model container [2023-11-12 00:52:10,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:10" (3/3) ... [2023-11-12 00:52:10,061 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-64.i [2023-11-12 00:52:10,081 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:52:10,081 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:52:10,151 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:52:10,159 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=FINITE_AUTOMATA, 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;@8259f79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:52:10,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:52:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:52:10,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-12 00:52:10,181 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:10,182 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:10,183 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:10,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:10,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1252514022, now seen corresponding path program 1 times [2023-11-12 00:52:10,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:52:10,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533270904] [2023-11-12 00:52:10,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:10,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:52:10,433 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 00:52:10,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877279098] [2023-11-12 00:52:10,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:10,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 00:52:10,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:10,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 00:52:10,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 00:52:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:52:10,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:52:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:52:11,967 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 00:52:11,970 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 00:52:11,971 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 00:52:11,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:52:12,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 00:52:12,190 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:52:12,195 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:52:12,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:52:12 BoogieIcfgContainer [2023-11-12 00:52:12,320 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:52:12,321 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:52:12,321 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:52:12,322 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:52:12,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:10" (3/4) ... [2023-11-12 00:52:12,333 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:52:12,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:52:12,336 INFO L158 Benchmark]: Toolchain (without parser) took 3785.70ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 127.1MB in the beginning and 137.8MB in the end (delta: -10.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-11-12 00:52:12,336 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:52:12,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.34ms. Allocated memory is still 157.3MB. Free memory was 127.1MB in the beginning and 113.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 00:52:12,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.47ms. Allocated memory is still 157.3MB. Free memory was 113.5MB in the beginning and 111.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:52:12,340 INFO L158 Benchmark]: Boogie Preprocessor took 34.19ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 109.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:52:12,341 INFO L158 Benchmark]: RCFGBuilder took 997.66ms. Allocated memory is still 157.3MB. Free memory was 109.9MB in the beginning and 88.0MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:52:12,342 INFO L158 Benchmark]: TraceAbstraction took 2270.00ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 87.2MB in the beginning and 138.9MB in the end (delta: -51.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:52:12,343 INFO L158 Benchmark]: Witness Printer took 13.41ms. Allocated memory is still 188.7MB. Free memory was 138.9MB in the beginning and 137.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:52:12,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.34ms. Allocated memory is still 157.3MB. Free memory was 127.1MB in the beginning and 113.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.47ms. Allocated memory is still 157.3MB. Free memory was 113.5MB in the beginning and 111.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.19ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 109.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 997.66ms. Allocated memory is still 157.3MB. Free memory was 109.9MB in the beginning and 88.0MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2270.00ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 87.2MB in the beginning and 138.9MB in the end (delta: -51.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 13.41ms. Allocated memory is still 188.7MB. Free memory was 138.9MB in the beginning and 137.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 52. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -2; [L23] signed char var_1_10 = -32; [L24] signed long int var_1_11 = 4; [L25] signed long int var_1_12 = 1731242407; [L26] signed long int var_1_13 = 0; [L27] signed char var_1_14 = 10; [L28] signed char var_1_15 = 8; [L29] signed char var_1_16 = -25; [L30] signed char var_1_17 = -16; [L31] unsigned long int var_1_18 = 0; [L32] signed short int var_1_19 = 256; [L33] signed short int var_1_20 = 28075; [L34] signed short int var_1_21 = 256; [L35] signed short int var_1_22 = 25; [L36] unsigned char var_1_23 = 0; [L37] unsigned char var_1_24 = 0; [L38] signed char var_1_25 = 1; [L39] signed char var_1_26 = 0; [L40] signed char var_1_27 = 10; [L41] unsigned long int var_1_28 = 64; [L42] signed long int last_1_var_1_1 = -2; [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] CALL updateLastVariables() [L122] last_1_var_1_1 = var_1_1 [L132] RET updateLastVariables() [L133] CALL updateVariables() [L81] var_1_11 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L83] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L84] var_1_12 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L86] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L87] var_1_13 = __VERIFIER_nondet_long() [L88] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L89] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L90] var_1_14 = __VERIFIER_nondet_char() [L91] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L92] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L93] var_1_15 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L95] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L96] var_1_16 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_16 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_16 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L98] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L99] var_1_17 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L101] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L102] var_1_20 = __VERIFIER_nondet_short() [L103] CALL assume_abort_if_not(var_1_20 >= 16382) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_20 >= 16382) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L104] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L105] var_1_21 = __VERIFIER_nondet_short() [L106] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L107] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L108] var_1_22 = __VERIFIER_nondet_short() [L109] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L110] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L111] var_1_24 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L113] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L114] var_1_26 = __VERIFIER_nondet_char() [L115] CALL assume_abort_if_not(var_1_26 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_26 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=10, var_1_28=64] [L116] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=10, var_1_28=64] [L117] var_1_27 = __VERIFIER_nondet_char() [L118] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=0, var_1_28=64] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=0, var_1_28=64] [L119] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=0, var_1_28=64] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=127, var_1_27=0, var_1_28=64] [L133] RET updateVariables() [L134] CALL step() [L46] var_1_19 = ((var_1_20 - var_1_21) - var_1_22) [L47] COND TRUE ((var_1_26 - var_1_27) + var_1_19) > var_1_22 [L48] var_1_25 = ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))) [L52] EXPR var_1_25 >> var_1_19 [L52] COND TRUE (var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13)) [L53] var_1_10 = (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L57] COND TRUE var_1_10 != var_1_25 [L58] var_1_18 = ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))) [L60] COND TRUE ! ((64 * var_1_18) < var_1_18) [L61] var_1_23 = var_1_24 [L63] COND FALSE !(-8 <= var_1_10) [L68] COND FALSE !(128 < var_1_19) [L71] var_1_1 = var_1_19 [L74] COND FALSE !((var_1_1 * var_1_1) < var_1_18) [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L125] EXPR var_1_25 >> var_1_19 [L125] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L125-L126] return (((((((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16))))) && ((var_1_10 != var_1_25) ? (var_1_18 == ((unsigned long int) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : 1)) && (var_1_19 == ((signed short int) ((var_1_20 - var_1_21) - var_1_22)))) && ((! ((64 * var_1_18) < var_1_18)) ? (var_1_23 == ((unsigned char) var_1_24)) : 1)) && ((((var_1_26 - var_1_27) + var_1_19) > var_1_22) ? (var_1_25 == ((signed char) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : (var_1_25 == ((signed char) ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))))))))) && (((var_1_1 * var_1_1) < var_1_18) ? ((var_1_1 < var_1_13) ? (var_1_28 == ((unsigned long int) 64u)) : 1) : 1) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-2, var_1_10=-9, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=1, var_1_19=-1, var_1_1=-1, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=-10, var_1_26=127, var_1_27=0, var_1_28=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-2, var_1_10=-9, var_1_11=1073741811, var_1_12=1073741823, var_1_13=1, var_1_14=2, var_1_15=11, var_1_16=-11, var_1_17=-10, var_1_18=1, var_1_19=-1, var_1_1=-1, var_1_20=16382, var_1_21=16258, var_1_22=125, var_1_23=0, var_1_24=0, var_1_25=-10, var_1_26=127, var_1_27=0, var_1_28=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:52:12,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2296f8bb93bd4140c35d0b2800df8c874c564098ef0aa8a507c2732dcd35dc25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:52:15,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:52:15,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 00:52:15,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:52:15,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:52:15,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:52:15,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:52:15,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:52:15,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:52:15,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:52:15,295 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:52:15,296 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:52:15,296 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:52:15,298 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:52:15,299 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:52:15,299 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:52:15,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:52:15,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:52:15,301 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:52:15,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:52:15,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:52:15,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:52:15,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:52:15,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:52:15,304 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:52:15,304 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:52:15,304 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:52:15,305 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:52:15,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:52:15,306 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:52:15,307 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:52:15,307 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 00:52:15,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:52:15,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:15,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:52:15,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:52:15,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:52:15,309 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:52:15,309 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:52:15,310 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:52:15,311 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:52:15,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:52:15,311 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2296f8bb93bd4140c35d0b2800df8c874c564098ef0aa8a507c2732dcd35dc25 [2023-11-12 00:52:15,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:52:15,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:52:15,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:52:15,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:52:15,726 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:52:15,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i [2023-11-12 00:52:19,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:52:19,310 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:52:19,310 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i [2023-11-12 00:52:19,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/data/0cfa50192/d9470df566514ab39f81ddda076217a3/FLAGd99c6e97b [2023-11-12 00:52:19,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/data/0cfa50192/d9470df566514ab39f81ddda076217a3 [2023-11-12 00:52:19,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:52:19,352 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:52:19,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:19,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:52:19,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:52:19,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f136bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19, skipping insertion in model container [2023-11-12 00:52:19,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:52:19,562 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_7a6c4e24-3733-46d1-8a4b-706ad4faf201/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i[919,932] [2023-11-12 00:52:19,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:19,634 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:52:19,647 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_7a6c4e24-3733-46d1-8a4b-706ad4faf201/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-64.i[919,932] [2023-11-12 00:52:19,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:52:19,710 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:52:19,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19 WrapperNode [2023-11-12 00:52:19,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:52:19,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:19,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:52:19,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:52:19,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,732 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,763 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-11-12 00:52:19,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:52:19,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:52:19,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:52:19,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:52:19,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:52:19,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:52:19,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:52:19,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:52:19,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (1/1) ... [2023-11-12 00:52:19,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:52:19,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:52:19,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:52:19,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:52:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:52:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:52:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:52:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:52:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:52:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:52:19,971 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:52:19,973 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:52:20,493 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:52:20,500 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:52:20,501 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:52:20,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:20 BoogieIcfgContainer [2023-11-12 00:52:20,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:52:20,506 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:52:20,506 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:52:20,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:52:20,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:52:19" (1/3) ... [2023-11-12 00:52:20,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37dd8c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:20, skipping insertion in model container [2023-11-12 00:52:20,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:52:19" (2/3) ... [2023-11-12 00:52:20,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37dd8c06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:52:20, skipping insertion in model container [2023-11-12 00:52:20,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:52:20" (3/3) ... [2023-11-12 00:52:20,513 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-64.i [2023-11-12 00:52:20,534 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:52:20,534 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:52:20,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:52:20,595 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=FINITE_AUTOMATA, 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;@478f388, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:52:20,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:52:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:52:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:52:20,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:20,624 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:20,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:20,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:20,636 INFO L85 PathProgramCache]: Analyzing trace with hash -566388734, now seen corresponding path program 1 times [2023-11-12 00:52:20,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:52:20,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683375679] [2023-11-12 00:52:20,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:20,660 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 [2023-11-12 00:52:20,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:52:20,665 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:52:20,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:52:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:20,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 00:52:20,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 00:52:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2023-11-12 00:52:21,075 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 00:52:21,079 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 00:52:21,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683375679] [2023-11-12 00:52:21,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1683375679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:52:21,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:52:21,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 00:52:21,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668851721] [2023-11-12 00:52:21,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:52:21,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:52:21,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 00:52:21,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:52:21,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:52:21,148 INFO L87 Difference]: Start difference. First operand has 67 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:52:21,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:52:21,202 INFO L93 Difference]: Finished difference Result 127 states and 228 transitions. [2023-11-12 00:52:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:52:21,205 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 159 [2023-11-12 00:52:21,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:52:21,213 INFO L225 Difference]: With dead ends: 127 [2023-11-12 00:52:21,213 INFO L226 Difference]: Without dead ends: 63 [2023-11-12 00:52:21,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:52:21,221 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 00:52:21,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 00:52:21,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-12 00:52:21,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-12 00:52:21,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-12 00:52:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 97 transitions. [2023-11-12 00:52:21,269 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 97 transitions. Word has length 159 [2023-11-12 00:52:21,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:52:21,270 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 97 transitions. [2023-11-12 00:52:21,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2023-11-12 00:52:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2023-11-12 00:52:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-12 00:52:21,275 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:52:21,275 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:52:21,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:52:21,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:52:21,491 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:52:21,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:52:21,492 INFO L85 PathProgramCache]: Analyzing trace with hash 569624898, now seen corresponding path program 1 times [2023-11-12 00:52:21,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 00:52:21,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412419938] [2023-11-12 00:52:21,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:52:21,494 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 [2023-11-12 00:52:21,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 00:52:21,495 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 00:52:21,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a6c4e24-3733-46d1-8a4b-706ad4faf201/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 00:52:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:52:24,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-12 00:52:24,220 INFO L285 TraceCheckSpWp]: Computing forward predicates...