./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire --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 87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:08:02,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:08:03,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:08:03,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:08:03,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:08:03,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:08:03,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:08:03,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:08:03,191 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:08:03,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:08:03,198 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:08:03,199 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:08:03,200 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:08:03,202 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:08:03,203 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:08:03,203 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:08:03,204 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:08:03,204 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:08:03,205 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:08:03,205 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:08:03,206 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:08:03,207 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:08:03,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:08:03,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:08:03,212 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:08:03,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:08:03,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:08:03,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:08:03,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:08:03,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:08:03,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:08:03,217 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:08:03,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:08:03,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:08:03,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:08:03,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:08:03,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:08:03,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:03,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:08:03,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:08:03,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:08:03,221 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:08:03,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:08:03,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:08:03,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:08:03,222 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:08:03,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:08:03,223 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_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa [2023-11-23 21:08:03,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:08:03,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:08:03,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:08:03,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:08:03,724 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:08:03,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i [2023-11-23 21:08:07,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:08:07,304 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:08:07,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i [2023-11-23 21:08:07,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/data/45899b8b0/96a71df97d274949828d24ed834c954d/FLAG8606afaa1 [2023-11-23 21:08:07,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/data/45899b8b0/96a71df97d274949828d24ed834c954d [2023-11-23 21:08:07,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:08:07,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:08:07,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:07,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:08:07,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:08:07,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eded918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07, skipping insertion in model container [2023-11-23 21:08:07,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:08:07,581 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_51ba5712-0938-4ff7-8e50-3aac2a939b7c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i[917,930] [2023-11-23 21:08:07,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:07,675 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:08:07,688 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_51ba5712-0938-4ff7-8e50-3aac2a939b7c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i[917,930] [2023-11-23 21:08:07,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:07,774 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:08:07,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07 WrapperNode [2023-11-23 21:08:07,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:07,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:07,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:08:07,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:08:07,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,883 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-23 21:08:07,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:07,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:08:07,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:08:07,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:08:07,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:08:07,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:08:07,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:08:07,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:08:07,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (1/1) ... [2023-11-23 21:08:07,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:07,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:08,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:08:08,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:08:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:08:08,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:08:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:08:08,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:08:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:08:08,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:08:08,228 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:08:08,230 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:08:08,793 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:08:09,260 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:08:09,260 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:08:09,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:09 BoogieIcfgContainer [2023-11-23 21:08:09,262 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:08:09,272 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:08:09,273 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:08:09,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:08:09,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:08:07" (1/3) ... [2023-11-23 21:08:09,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c401c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:09, skipping insertion in model container [2023-11-23 21:08:09,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:07" (2/3) ... [2023-11-23 21:08:09,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c401c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:09, skipping insertion in model container [2023-11-23 21:08:09,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:09" (3/3) ... [2023-11-23 21:08:09,285 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-81.i [2023-11-23 21:08:09,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:08:09,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:08:09,388 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:08:09,402 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;@21121f40, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:08:09,403 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:08:09,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:08:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-23 21:08:09,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:09,430 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:08:09,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:09,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:09,441 INFO L85 PathProgramCache]: Analyzing trace with hash 149941840, now seen corresponding path program 1 times [2023-11-23 21:08:09,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:08:09,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48972994] [2023-11-23 21:08:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:09,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:08:09,683 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:08:09,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1553178030] [2023-11-23 21:08:09,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:09,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:08:09,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:09,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:08:09,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:08:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:08:10,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:08:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:08:10,340 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:08:10,343 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:08:10,345 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:08:10,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:08:10,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:08:10,563 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:08:10,568 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:08:10,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:08:10 BoogieIcfgContainer [2023-11-23 21:08:10,754 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:08:10,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:08:10,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:08:10,756 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:08:10,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:09" (3/4) ... [2023-11-23 21:08:10,759 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:08:10,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:08:10,762 INFO L158 Benchmark]: Toolchain (without parser) took 3422.15ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 114.3MB in the beginning and 138.4MB in the end (delta: -24.1MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-11-23 21:08:10,763 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:08:10,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.96ms. Allocated memory is still 159.4MB. Free memory was 114.1MB in the beginning and 100.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:08:10,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.53ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 95.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:08:10,765 INFO L158 Benchmark]: Boogie Preprocessor took 58.21ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 93.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:08:10,766 INFO L158 Benchmark]: RCFGBuilder took 1318.64ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 93.6MB in the beginning and 189.8MB in the end (delta: -96.2MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-11-23 21:08:10,767 INFO L158 Benchmark]: TraceAbstraction took 1482.25ms. Allocated memory is still 237.0MB. Free memory was 189.7MB in the beginning and 138.4MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-23 21:08:10,768 INFO L158 Benchmark]: Witness Printer took 5.68ms. Allocated memory is still 237.0MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:08:10,772 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.96ms. Allocated memory is still 159.4MB. Free memory was 114.1MB in the beginning and 100.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.53ms. Allocated memory is still 159.4MB. Free memory was 99.9MB in the beginning and 95.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.21ms. Allocated memory is still 159.4MB. Free memory was 95.7MB in the beginning and 93.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1318.64ms. Allocated memory was 159.4MB in the beginning and 237.0MB in the end (delta: 77.6MB). Free memory was 93.6MB in the beginning and 189.8MB in the end (delta: -96.2MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1482.25ms. Allocated memory is still 237.0MB. Free memory was 189.7MB in the beginning and 138.4MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.68ms. Allocated memory is still 237.0MB. Free memory is still 138.4MB. 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 bitwiseAnd at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] signed long int var_1_2 = -2; [L24] signed long int var_1_3 = -32; [L25] signed long int var_1_4 = 50; [L26] unsigned char var_1_5 = 128; [L27] unsigned char var_1_6 = 4; [L28] unsigned char var_1_7 = 10; [L29] unsigned char var_1_8 = 0; [L30] unsigned char var_1_9 = 1; [L31] unsigned long int var_1_10 = 0; [L32] unsigned short int var_1_11 = 4; [L33] unsigned short int var_1_12 = 54828; [L34] unsigned short int var_1_13 = 61894; [L35] unsigned short int var_1_14 = 10000; [L36] unsigned short int var_1_15 = 10000; [L37] signed short int var_1_16 = 0; [L38] signed char var_1_17 = 32; [L39] signed char var_1_18 = 64; [L40] signed char var_1_19 = 10; [L41] signed char var_1_20 = 8; [L42] signed char var_1_21 = 5; [L43] signed char var_1_22 = 2; [L44] signed char var_1_23 = 64; [L45] signed long int var_1_24 = -5; [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L86] var_1_2 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L88] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=-32, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L89] var_1_3 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L91] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=50, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L92] var_1_4 = __VERIFIER_nondet_long() [L93] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=128, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L95] var_1_5 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L97] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=4, var_1_7=10, var_1_8=0, var_1_9=1] [L98] var_1_6 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_7=10, var_1_8=0, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=0, var_1_9=1] [L101] var_1_8 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_9=1] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L104] var_1_9 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1] [L106] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=54828, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L107] var_1_12 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_12 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_12 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=61894, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L110] var_1_13 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=10000, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L113] var_1_14 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_14 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_14 >= 8191) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_14 <= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_14 <= 16384) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=10000, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L116] var_1_15 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_15 >= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_15 >= 8192) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=64, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L119] var_1_18 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_18 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_18 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=10, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L122] var_1_19 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=8, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L125] var_1_20 = __VERIFIER_nondet_char() [L126] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L127] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L128] var_1_21 = __VERIFIER_nondet_char() [L129] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=4, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=4, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L130] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=4, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=4, var_1_22=2, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L131] var_1_22 = __VERIFIER_nondet_char() [L132] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L133] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, var_1_10=0, var_1_11=4, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=0, var_1_17=32, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=-5, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=10, var_1_8=1, var_1_9=1] [L146] RET updateVariables() [L147] CALL step() [L49] signed long int stepLocal_0 = var_1_3 + var_1_4; [L50] COND FALSE !(var_1_2 != stepLocal_0) [L53] unsigned char stepLocal_2 = var_1_8; [L54] unsigned char stepLocal_1 = (var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))); [L55] COND TRUE stepLocal_1 && var_1_8 [L56] var_1_7 = var_1_5 [L64] COND FALSE !(! var_1_9) [L67] COND TRUE \read(var_1_8) [L68] var_1_11 = (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)) [L70] var_1_16 = (var_1_7 - 1) [L71] COND TRUE var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5))) [L72] var_1_17 = (var_1_18 - var_1_19) [L76] EXPR var_1_13 & var_1_2 [L76] COND FALSE !(! ((var_1_13 & var_1_2) != var_1_1)) [L79] COND FALSE !(! var_1_8) [L83] var_1_24 = var_1_12 [L147] RET step() [L148] CALL, EXPR property() [L138] EXPR (((((((var_1_2 != (var_1_3 + var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((var_1_1 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)))) : 1)) && (var_1_16 == ((signed short int) (var_1_7 - 1)))) && ((var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_2) != var_1_1)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1)) [L138] EXPR var_1_13 & var_1_2 [L138] EXPR (((((((var_1_2 != (var_1_3 + var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((var_1_1 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)))) : 1)) && (var_1_16 == ((signed short int) (var_1_7 - 1)))) && ((var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_2) != var_1_1)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1)) [L138-L139] return ((((((((var_1_2 != (var_1_3 + var_1_4)) ? (var_1_1 == ((unsigned char) (var_1_5 - ((((0) < (var_1_6)) ? (0) : (var_1_6)))))) : 1) && ((((var_1_6 / var_1_5) != ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3)))) && var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (((var_1_1 > var_1_5) || var_1_8) ? (var_1_7 == ((unsigned char) var_1_5)) : (var_1_7 == ((unsigned char) var_1_6))))) && ((! var_1_9) ? (var_1_10 == ((unsigned long int) ((((var_1_1) < (var_1_5)) ? (var_1_1) : (var_1_5))))) : 1)) && (var_1_8 ? (var_1_11 == ((unsigned short int) (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) - ((var_1_14 + var_1_15) - var_1_1)))) : 1)) && (var_1_16 == ((signed short int) (var_1_7 - 1)))) && ((var_1_11 > ((((var_1_2) > (var_1_5)) ? (var_1_2) : (var_1_5)))) ? (var_1_17 == ((signed char) (var_1_18 - var_1_19))) : (var_1_17 == ((signed char) (var_1_20 - (var_1_21 + var_1_22)))))) && ((! ((var_1_13 & var_1_2) != var_1_1)) ? (var_1_23 == ((signed char) ((((var_1_20) < ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22))))) ? (var_1_20) : ((((((var_1_21 + -4)) < (var_1_22)) ? ((var_1_21 + -4)) : (var_1_22)))))))) : ((! var_1_8) ? (var_1_23 == ((signed char) (var_1_22 + var_1_21))) : 1))) && (var_1_24 == ((signed long int) var_1_12)) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=8198, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=126, var_1_17=0, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=32767, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=127, var_1_8=1, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=0, var_1_11=8198, var_1_12=32767, var_1_13=32767, var_1_14=8191, var_1_15=16383, var_1_16=126, var_1_17=0, var_1_18=126, var_1_19=126, var_1_1=5, var_1_20=0, var_1_21=4, var_1_22=0, var_1_23=64, var_1_24=32767, var_1_2=128, var_1_3=127, var_1_4=1, var_1_5=127, var_1_6=1, var_1_7=127, var_1_8=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 32, 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=57occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 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 [2023-11-23 21:08:10,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire --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 87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:08:13,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:08:14,059 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:08:14,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:08:14,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:08:14,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:08:14,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:08:14,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:08:14,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:08:14,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:08:14,107 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:08:14,108 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:08:14,109 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:08:14,110 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:08:14,111 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:08:14,112 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:08:14,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:08:14,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:08:14,115 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:08:14,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:08:14,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:08:14,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:08:14,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:08:14,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:08:14,119 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:08:14,120 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:08:14,120 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:08:14,121 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:08:14,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:08:14,122 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:08:14,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:08:14,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:08:14,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:08:14,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:08:14,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:14,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:08:14,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:08:14,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:08:14,128 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:08:14,129 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:08:14,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:08:14,130 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:08:14,131 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:08:14,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:08:14,131 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_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87d97b8e30b2a31a4876e057488e2e87126da257ca4324c4e70a282f34f137aa [2023-11-23 21:08:14,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:08:14,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:08:14,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:08:14,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:08:14,635 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:08:14,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i [2023-11-23 21:08:17,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:08:18,311 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:08:18,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i [2023-11-23 21:08:18,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/data/33b68b209/fd2854ae29c5470dacbea38d038b3cfd/FLAG9a64c7823 [2023-11-23 21:08:18,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/data/33b68b209/fd2854ae29c5470dacbea38d038b3cfd [2023-11-23 21:08:18,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:08:18,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:08:18,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:18,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:08:18,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:08:18,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e80b63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18, skipping insertion in model container [2023-11-23 21:08:18,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:08:18,618 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_51ba5712-0938-4ff7-8e50-3aac2a939b7c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i[917,930] [2023-11-23 21:08:18,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:18,756 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:08:18,774 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_51ba5712-0938-4ff7-8e50-3aac2a939b7c/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-81.i[917,930] [2023-11-23 21:08:18,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:08:18,844 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:08:18,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18 WrapperNode [2023-11-23 21:08:18,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:08:18,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:18,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:08:18,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:08:18,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,902 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2023-11-23 21:08:18,903 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:08:18,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:08:18,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:08:18,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:08:18,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,932 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:08:18,952 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:08:18,952 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:08:18,952 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:08:18,953 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (1/1) ... [2023-11-23 21:08:18,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:08:18,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:08:19,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:08:19,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:08:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:08:19,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:08:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:08:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:08:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:08:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:08:19,149 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:08:19,151 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:08:19,498 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:08:19,616 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:08:19,617 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:08:19,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:19 BoogieIcfgContainer [2023-11-23 21:08:19,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:08:19,628 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:08:19,628 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:08:19,632 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:08:19,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:08:18" (1/3) ... [2023-11-23 21:08:19,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f6a598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:19, skipping insertion in model container [2023-11-23 21:08:19,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:08:18" (2/3) ... [2023-11-23 21:08:19,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27f6a598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:08:19, skipping insertion in model container [2023-11-23 21:08:19,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:08:19" (3/3) ... [2023-11-23 21:08:19,638 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-81.i [2023-11-23 21:08:19,660 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:08:19,661 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:08:19,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:08:19,753 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;@5f3e01d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:08:19,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:08:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:08:19,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 21:08:19,790 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:19,791 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:08:19,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:19,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:19,799 INFO L85 PathProgramCache]: Analyzing trace with hash -137566295, now seen corresponding path program 1 times [2023-11-23 21:08:19,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:08:19,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611696380] [2023-11-23 21:08:19,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:19,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:08:19,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:08:19,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:08:19,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:08:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:08:20,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:08:20,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:08:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 974 proven. 0 refuted. 0 times theorem prover too weak. 1010 trivial. 0 not checked. [2023-11-23 21:08:20,244 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:08:20,250 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:08:20,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611696380] [2023-11-23 21:08:20,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611696380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:08:20,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:08:20,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:08:20,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783659529] [2023-11-23 21:08:20,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:08:20,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:08:20,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:08:20,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:08:20,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:08:20,313 INFO L87 Difference]: Start difference. First operand has 71 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 37 states have internal predecessors, (49), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) 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, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 21:08:20,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:08:20,385 INFO L93 Difference]: Finished difference Result 139 states and 256 transitions. [2023-11-23 21:08:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:08:20,391 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, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 189 [2023-11-23 21:08:20,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:08:20,401 INFO L225 Difference]: With dead ends: 139 [2023-11-23 21:08:20,401 INFO L226 Difference]: Without dead ends: 69 [2023-11-23 21:08:20,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:08:20,411 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:08:20,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:08:20,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-23 21:08:20,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-23 21:08:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 35 states have internal predecessors, (44), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-23 21:08:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 108 transitions. [2023-11-23 21:08:20,492 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 108 transitions. Word has length 189 [2023-11-23 21:08:20,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:08:20,492 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 108 transitions. [2023-11-23 21:08:20,494 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, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-11-23 21:08:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2023-11-23 21:08:20,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-23 21:08:20,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:08:20,508 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:08:20,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:08:20,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:08:20,714 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:08:20,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:08:20,715 INFO L85 PathProgramCache]: Analyzing trace with hash -974477399, now seen corresponding path program 1 times [2023-11-23 21:08:20,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:08:20,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245993778] [2023-11-23 21:08:20,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:08:20,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:08:20,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:08:20,719 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:08:20,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51ba5712-0938-4ff7-8e50-3aac2a939b7c/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:08:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:08:21,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-23 21:08:21,861 INFO L285 TraceCheckSpWp]: Computing forward predicates...