./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --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 87a050a9ba88ec48bac6e38316d21dd54013b685d199047e34008aa0aba79e8c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:33:11,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:33:11,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:33:11,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:33:11,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:33:11,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:33:11,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:33:11,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:33:11,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:33:11,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:33:11,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:33:11,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:33:11,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:33:11,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:33:11,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:33:11,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:33:11,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:33:11,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:33:11,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:33:11,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:33:11,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:33:11,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:33:11,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:33:11,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:33:11,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:33:11,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:33:11,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:33:11,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:33:11,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:33:11,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:33:11,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:33:11,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:33:11,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:33:11,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:33:11,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:33:11,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:33:11,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:33:11,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:33:11,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:33:11,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:33:11,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:33:11,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 20:33:11,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:33:11,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:33:11,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:33:11,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:33:11,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:33:11,298 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:33:11,298 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:33:11,298 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:33:11,299 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:33:11,299 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:33:11,300 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:33:11,300 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:33:11,301 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:33:11,301 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:33:11,301 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:33:11,302 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:33:11,302 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:33:11,302 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:33:11,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:33:11,303 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:33:11,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:33:11,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:33:11,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:33:11,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:33:11,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:33:11,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:33:11,306 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:33:11,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:33:11,307 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:33:11,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:33:11,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:33:11,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:33:11,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:33:11,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:33:11,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:33:11,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:33:11,309 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:33:11,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:33:11,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:33:11,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:33:11,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:33:11,310 INFO L138 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_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87a050a9ba88ec48bac6e38316d21dd54013b685d199047e34008aa0aba79e8c [2021-11-25 20:33:11,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:33:11,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:33:11,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:33:11,642 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:33:11,643 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:33:11,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2021-11-25 20:33:11,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/data/c41bf94bc/3d062e7cc39c40e6ad7887dd924c6d3c/FLAGe419fad5a [2021-11-25 20:33:12,261 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:33:12,265 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2021-11-25 20:33:12,278 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/data/c41bf94bc/3d062e7cc39c40e6ad7887dd924c6d3c/FLAGe419fad5a [2021-11-25 20:33:12,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/data/c41bf94bc/3d062e7cc39c40e6ad7887dd924c6d3c [2021-11-25 20:33:12,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:33:12,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:33:12,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:33:12,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:33:12,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:33:12,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:12,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f8d72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12, skipping insertion in model container [2021-11-25 20:33:12,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:12,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:33:12,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:33:12,875 WARN L230 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_9e3445c7-b267-47fc-bddb-feeaad68ba36/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i[299,312] [2021-11-25 20:33:12,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:33:12,925 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:33:12,936 WARN L230 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_9e3445c7-b267-47fc-bddb-feeaad68ba36/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i[299,312] [2021-11-25 20:33:12,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:33:12,966 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:33:12,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12 WrapperNode [2021-11-25 20:33:12,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:33:12,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:33:12,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:33:12,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:33:12,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:12,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:13,019 INFO L137 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 99 [2021-11-25 20:33:13,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:33:13,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:33:13,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:33:13,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:33:13,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:13,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:13,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:13,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:13,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:13,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:13,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:13,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:33:13,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:33:13,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:33:13,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:33:13,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (1/1) ... [2021-11-25 20:33:13,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:33:13,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:33:13,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:33:13,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:33:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:33:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:33:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:33:13,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:33:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:33:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:33:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 20:33:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 20:33:13,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:33:13,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:33:13,305 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:33:13,320 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:33:13,613 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:33:13,676 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:33:13,676 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:33:13,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:33:13 BoogieIcfgContainer [2021-11-25 20:33:13,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:33:13,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:33:13,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:33:13,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:33:13,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:33:12" (1/3) ... [2021-11-25 20:33:13,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113148ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:33:13, skipping insertion in model container [2021-11-25 20:33:13,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:12" (2/3) ... [2021-11-25 20:33:13,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@113148ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:33:13, skipping insertion in model container [2021-11-25 20:33:13,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:33:13" (3/3) ... [2021-11-25 20:33:13,688 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2021-11-25 20:33:13,694 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:33:13,695 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 20:33:13,769 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:33:13,778 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:33:13,779 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 20:33:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 18 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:33:13,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 20:33:13,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:13,827 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:33:13,828 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:13,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:13,837 INFO L85 PathProgramCache]: Analyzing trace with hash -904814167, now seen corresponding path program 1 times [2021-11-25 20:33:13,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:13,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738968087] [2021-11-25 20:33:13,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:13,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 20:33:14,147 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:14,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738968087] [2021-11-25 20:33:14,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738968087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:14,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:33:14,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:33:14,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834639967] [2021-11-25 20:33:14,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:14,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:33:14,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:14,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:33:14,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:33:14,198 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 18 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:33:14,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:33:14,288 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2021-11-25 20:33:14,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:33:14,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-11-25 20:33:14,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:33:14,299 INFO L225 Difference]: With dead ends: 31 [2021-11-25 20:33:14,300 INFO L226 Difference]: Without dead ends: 21 [2021-11-25 20:33:14,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:33:14,309 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 20 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:33:14,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 63 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 20:33:14,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-25 20:33:14,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-25 20:33:14,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:33:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-11-25 20:33:14,373 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 11 [2021-11-25 20:33:14,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:33:14,379 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-11-25 20:33:14,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 20:33:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-25 20:33:14,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 20:33:14,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:14,383 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:33:14,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:33:14,384 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:14,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:14,387 INFO L85 PathProgramCache]: Analyzing trace with hash 398627106, now seen corresponding path program 1 times [2021-11-25 20:33:14,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:14,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822382011] [2021-11-25 20:33:14,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:14,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:14,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 20:33:14,532 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:14,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822382011] [2021-11-25 20:33:14,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822382011] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:14,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:33:14,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:33:14,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818094349] [2021-11-25 20:33:14,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:14,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:33:14,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:14,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:33:14,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:33:14,539 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:33:14,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:33:14,612 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2021-11-25 20:33:14,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:33:14,613 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2021-11-25 20:33:14,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:33:14,614 INFO L225 Difference]: With dead ends: 29 [2021-11-25 20:33:14,615 INFO L226 Difference]: Without dead ends: 23 [2021-11-25 20:33:14,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-25 20:33:14,617 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 16 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:33:14,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 56 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 20:33:14,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-25 20:33:14,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-11-25 20:33:14,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:33:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-11-25 20:33:14,631 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 16 [2021-11-25 20:33:14,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:33:14,632 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-11-25 20:33:14,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-25 20:33:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-11-25 20:33:14,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 20:33:14,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:14,640 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:33:14,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:33:14,641 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:14,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:14,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1308739147, now seen corresponding path program 1 times [2021-11-25 20:33:14,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:14,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790658907] [2021-11-25 20:33:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:14,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:14,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 20:33:14,764 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:14,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790658907] [2021-11-25 20:33:14,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790658907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:14,765 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:33:14,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:33:14,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588539359] [2021-11-25 20:33:14,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:14,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:33:14,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:14,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:33:14,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:33:14,783 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 20:33:14,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:33:14,810 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2021-11-25 20:33:14,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:33:14,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-11-25 20:33:14,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:33:14,812 INFO L225 Difference]: With dead ends: 30 [2021-11-25 20:33:14,812 INFO L226 Difference]: Without dead ends: 21 [2021-11-25 20:33:14,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:33:14,819 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:33:14,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 34 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 20:33:14,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-25 20:33:14,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-25 20:33:14,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-25 20:33:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2021-11-25 20:33:14,835 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 22 [2021-11-25 20:33:14,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:33:14,837 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2021-11-25 20:33:14,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 20:33:14,838 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2021-11-25 20:33:14,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 20:33:14,840 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:14,840 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:33:14,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:33:14,841 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 20:33:14,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:14,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1526437687, now seen corresponding path program 1 times [2021-11-25 20:33:14,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:14,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942468530] [2021-11-25 20:33:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:14,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:33:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 20:33:14,964 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:33:14,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942468530] [2021-11-25 20:33:14,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942468530] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:33:14,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:33:14,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:33:14,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672006769] [2021-11-25 20:33:14,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:33:14,971 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:33:14,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:33:14,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:33:14,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:33:14,973 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 20:33:14,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:33:14,997 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2021-11-25 20:33:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:33:14,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 22 [2021-11-25 20:33:14,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:33:14,999 INFO L225 Difference]: With dead ends: 21 [2021-11-25 20:33:14,999 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 20:33:15,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:33:15,006 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:33:15,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 20:33:15,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 20:33:15,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 20:33:15,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 20:33:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 20:33:15,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-11-25 20:33:15,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:33:15,011 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 20:33:15,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-25 20:33:15,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 20:33:15,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 20:33:15,014 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 20:33:15,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:33:15,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 20:33:15,098 INFO L858 garLoopResultBuilder]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2021-11-25 20:33:15,099 INFO L861 garLoopResultBuilder]: At program point kzallocENTRY(line 48) the Hoare annotation is: true [2021-11-25 20:33:15,100 INFO L854 garLoopResultBuilder]: At program point L122(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (= ~used_tmp_slot~0 1)) [2021-11-25 20:33:15,101 INFO L854 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) [2021-11-25 20:33:15,101 INFO L858 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2021-11-25 20:33:15,101 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 139) no Hoare annotation was computed. [2021-11-25 20:33:15,101 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 20:33:15,102 INFO L854 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0))) [2021-11-25 20:33:15,102 INFO L854 garLoopResultBuilder]: At program point L57-1(line 57) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#t~ret5#1.base| 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0))) [2021-11-25 20:33:15,102 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-11-25 20:33:15,102 INFO L861 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2021-11-25 20:33:15,102 INFO L858 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-11-25 20:33:15,103 INFO L858 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-11-25 20:33:15,103 INFO L854 garLoopResultBuilder]: At program point L132(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (= ~used_tmp_slot~0 1)) [2021-11-25 20:33:15,103 INFO L854 garLoopResultBuilder]: At program point L99(lines 99 107) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~bus_info_ptr1~0#1.base| 0))) [2021-11-25 20:33:15,103 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 20:33:15,104 INFO L854 garLoopResultBuilder]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (= ~used_tmp_slot~0 1)) [2021-11-25 20:33:15,104 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 90) no Hoare annotation was computed. [2021-11-25 20:33:15,104 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 82) no Hoare annotation was computed. [2021-11-25 20:33:15,104 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 138) no Hoare annotation was computed. [2021-11-25 20:33:15,104 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-11-25 20:33:15,105 INFO L854 garLoopResultBuilder]: At program point L117(lines 117 118) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (= ~used_tmp_slot~0 1)) [2021-11-25 20:33:15,105 INFO L858 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2021-11-25 20:33:15,111 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-25 20:33:15,113 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:33:15,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:33:15 BoogieIcfgContainer [2021-11-25 20:33:15,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:33:15,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:33:15,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:33:15,149 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:33:15,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:33:13" (3/4) ... [2021-11-25 20:33:15,153 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 20:33:15,158 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2021-11-25 20:33:15,169 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-25 20:33:15,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-25 20:33:15,171 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 20:33:15,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 20:33:15,225 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:33:15,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:33:15,226 INFO L158 Benchmark]: Toolchain (without parser) took 2592.53ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 56.5MB in the beginning and 72.9MB in the end (delta: -16.3MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-25 20:33:15,227 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:33:15,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.20ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 63.1MB in the end (delta: -6.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 20:33:15,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.79ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 61.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:33:15,228 INFO L158 Benchmark]: Boogie Preprocessor took 61.98ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 59.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:33:15,228 INFO L158 Benchmark]: RCFGBuilder took 594.58ms. Allocated memory is still 88.1MB. Free memory was 59.8MB in the beginning and 45.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 20:33:15,229 INFO L158 Benchmark]: TraceAbstraction took 1467.15ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 45.0MB in the beginning and 77.0MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:33:15,230 INFO L158 Benchmark]: Witness Printer took 77.33ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 72.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 20:33:15,233 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 45.1MB in the end (delta: 38.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.20ms. Allocated memory is still 88.1MB. Free memory was 56.2MB in the beginning and 63.1MB in the end (delta: -6.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.79ms. Allocated memory is still 88.1MB. Free memory was 63.1MB in the beginning and 61.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.98ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 59.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 594.58ms. Allocated memory is still 88.1MB. Free memory was 59.8MB in the beginning and 45.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1467.15ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 45.0MB in the beginning and 77.0MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.33ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 72.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 67 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 89 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 14/14 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(kzalloc(sizeof(struct bus_info), 0) == 0)) && !(hp_slot_ptr == 0) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && !(bus_info_ptr1 == 0) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(tmp_slot == 0) && !(hp_slot_ptr == 0)) && used_tmp_slot == 1 RESULT: Ultimate proved your program to be correct! [2021-11-25 20:33:15,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e3445c7-b267-47fc-bddb-feeaad68ba36/bin/utaipan-eEHZpOm5b7/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 Writing output log to file Ultimate.log Result: TRUE