./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/systemc/bist_cell.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/systemc/bist_cell.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh --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 de455e90ef2ae1a82fb7a87bbcdb07831c7ef68e47976e1b2868a3e9de47a0a2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 13:25:56,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:25:56,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:25:56,169 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:25:56,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:25:56,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:25:56,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:25:56,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:25:56,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:25:56,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:25:56,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:25:56,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:25:56,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:25:56,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:25:56,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:25:56,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:25:56,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:25:56,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:25:56,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:25:56,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:25:56,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:25:56,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:25:56,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:25:56,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:25:56,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:25:56,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:25:56,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:25:56,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:25:56,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:25:56,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:25:56,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:25:56,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:25:56,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:25:56,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:25:56,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:25:56,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:25:56,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:25:56,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:25:56,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:25:56,204 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:25:56,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:25:56,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 13:25:56,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:25:56,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:25:56,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:25:56,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:25:56,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:25:56,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:25:56,229 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:25:56,229 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:25:56,229 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:25:56,229 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:25:56,229 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:25:56,229 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:25:56,230 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:25:56,230 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:25:56,230 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:25:56,230 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:25:56,230 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:25:56,231 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:25:56,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:25:56,231 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 13:25:56,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:25:56,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 13:25:56,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:25:56,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:25:56,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:25:56,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:25:56,233 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 13:25:56,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:25:56,233 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:25:56,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:25:56,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:25:56,234 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:25:56,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:25:56,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:25:56,234 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:25:56,235 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:25:56,235 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:25:56,235 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:25:56,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:25:56,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:25:56,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:25:56,236 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de455e90ef2ae1a82fb7a87bbcdb07831c7ef68e47976e1b2868a3e9de47a0a2 [2022-12-14 13:25:56,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:25:56,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:25:56,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:25:56,443 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:25:56,443 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:25:56,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/systemc/bist_cell.cil.c [2022-12-14 13:25:59,061 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:25:59,200 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:25:59,200 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/sv-benchmarks/c/systemc/bist_cell.cil.c [2022-12-14 13:25:59,206 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/data/41dc5af9e/ed23085162af477c9209ede5d07dcb27/FLAG45e9a6251 [2022-12-14 13:25:59,216 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/data/41dc5af9e/ed23085162af477c9209ede5d07dcb27 [2022-12-14 13:25:59,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:25:59,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:25:59,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:25:59,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:25:59,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:25:59,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45487fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59, skipping insertion in model container [2022-12-14 13:25:59,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:25:59,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:25:59,344 WARN L237 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_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/sv-benchmarks/c/systemc/bist_cell.cil.c[639,652] [2022-12-14 13:25:59,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:25:59,387 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 13:25:59,396 WARN L237 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_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/sv-benchmarks/c/systemc/bist_cell.cil.c[639,652] [2022-12-14 13:25:59,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 13:25:59,424 INFO L208 MainTranslator]: Completed translation [2022-12-14 13:25:59,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59 WrapperNode [2022-12-14 13:25:59,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:25:59,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 13:25:59,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 13:25:59,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 13:25:59,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,453 INFO L138 Inliner]: procedures = 30, calls = 30, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 229 [2022-12-14 13:25:59,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 13:25:59,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 13:25:59,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 13:25:59,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 13:25:59,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,471 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 13:25:59,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 13:25:59,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 13:25:59,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 13:25:59,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (1/1) ... [2022-12-14 13:25:59,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:25:59,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:25:59,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 13:25:59,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 13:25:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 13:25:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-12-14 13:25:59,536 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-12-14 13:25:59,536 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-12-14 13:25:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-12-14 13:25:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-12-14 13:25:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-12-14 13:25:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-12-14 13:25:59,537 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-12-14 13:25:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 13:25:59,537 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-12-14 13:25:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-12-14 13:25:59,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 13:25:59,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 13:25:59,599 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 13:25:59,601 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 13:25:59,857 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 13:26:00,003 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 13:26:00,004 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 13:26:00,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:26:00 BoogieIcfgContainer [2022-12-14 13:26:00,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 13:26:00,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 13:26:00,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 13:26:00,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 13:26:00,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 01:25:59" (1/3) ... [2022-12-14 13:26:00,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c139388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:26:00, skipping insertion in model container [2022-12-14 13:26:00,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:25:59" (2/3) ... [2022-12-14 13:26:00,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c139388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 01:26:00, skipping insertion in model container [2022-12-14 13:26:00,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:26:00" (3/3) ... [2022-12-14 13:26:00,012 INFO L112 eAbstractionObserver]: Analyzing ICFG bist_cell.cil.c [2022-12-14 13:26:00,025 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 13:26:00,025 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 13:26:00,059 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 13:26:00,064 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=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a944703, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 13:26:00,064 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 13:26:00,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 13:26:00,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 13:26:00,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:26:00,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:26:00,074 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:26:00,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:26:00,078 INFO L85 PathProgramCache]: Analyzing trace with hash 53522103, now seen corresponding path program 1 times [2022-12-14 13:26:00,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:26:00,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647214462] [2022-12-14 13:26:00,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:26:00,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:26:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:26:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:26:00,230 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:26:00,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647214462] [2022-12-14 13:26:00,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647214462] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:26:00,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 13:26:00,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 13:26:00,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867649813] [2022-12-14 13:26:00,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:26:00,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 13:26:00,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:26:00,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 13:26:00,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 13:26:00,259 INFO L87 Difference]: Start difference. First operand has 37 states, 20 states have (on average 1.3) internal successors, (26), 22 states have internal predecessors, (26), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 13:26:00,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:26:00,301 INFO L93 Difference]: Finished difference Result 68 states and 82 transitions. [2022-12-14 13:26:00,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 13:26:00,303 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 18 [2022-12-14 13:26:00,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:26:00,308 INFO L225 Difference]: With dead ends: 68 [2022-12-14 13:26:00,308 INFO L226 Difference]: Without dead ends: 35 [2022-12-14 13:26:00,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 13:26:00,319 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 13:26:00,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 13:26:00,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-12-14 13:26:00,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-12-14 13:26:00,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 19 states have (on average 1.105263157894737) internal successors, (21), 20 states have internal predecessors, (21), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-14 13:26:00,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2022-12-14 13:26:00,346 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 18 [2022-12-14 13:26:00,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:26:00,347 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-12-14 13:26:00,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-12-14 13:26:00,347 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-12-14 13:26:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 13:26:00,349 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:26:00,349 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:26:00,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 13:26:00,349 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:26:00,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:26:00,350 INFO L85 PathProgramCache]: Analyzing trace with hash -553944512, now seen corresponding path program 1 times [2022-12-14 13:26:00,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:26:00,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385067459] [2022-12-14 13:26:00,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:26:00,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:26:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:26:00,724 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 13:26:00,725 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:26:00,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385067459] [2022-12-14 13:26:00,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385067459] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:26:00,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711169222] [2022-12-14 13:26:00,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:26:00,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:26:00,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:26:00,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:26:00,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 13:26:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:26:00,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 13:26:00,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:26:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:26:01,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:26:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 13:26:01,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711169222] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:26:01,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [28323302] [2022-12-14 13:26:01,725 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2022-12-14 13:26:01,725 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:26:01,728 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:26:01,734 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:26:01,734 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:26:02,842 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 57 for LOIs [2022-12-14 13:26:03,068 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 107 for LOIs [2022-12-14 13:26:03,467 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 206 for LOIs [2022-12-14 13:26:05,963 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 57 for LOIs [2022-12-14 13:26:05,972 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 111 for LOIs [2022-12-14 13:26:06,068 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 13:26:13,126 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '488#(and (not (= ~comp_m1_st~0 0)) (= 0 ~z_val_t~0) (not (= ~d1_ev~0 1)) (= ~comp_m1_i~0 0) (not (= ~d0_ev~0 1)) (= |ULTIMATE.start_stop_simulation_~__retres2~0#1| |ULTIMATE.start_stop_simulation_#res#1|) (not (= ~b0_ev~0 1)) (= ~d1_val_t~0 1) (= |ULTIMATE.start_start_simulation_~tmp~3#1| |ULTIMATE.start_stop_simulation_#res#1|) (not (= ~z_ev~0 1)) (not (= ~b1_ev~0 1)) (not (= ~z_val~0 0)) (= ~b0_val_t~0 1) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) (<= |ULTIMATE.start_start_simulation_~kernel_st~0#1| 3) (= |#NULL.offset| 0) (= |ULTIMATE.start_stop_simulation_~tmp~2#1| 0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (<= 0 |#StackHeapBarrier|) (<= 3 |ULTIMATE.start_start_simulation_~kernel_st~0#1|) (= |#NULL.base| 0) (= |ULTIMATE.start_stop_simulation_~__retres2~0#1| 1))' at error location [2022-12-14 13:26:13,127 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 13:26:13,127 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 13:26:13,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 17 [2022-12-14 13:26:13,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252217030] [2022-12-14 13:26:13,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 13:26:13,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-14 13:26:13,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:26:13,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-14 13:26:13,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=1956, Unknown=0, NotChecked=0, Total=2162 [2022-12-14 13:26:13,132 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 17 states, 10 states have (on average 4.0) internal successors, (40), 13 states have internal predecessors, (40), 5 states have call successors, (26), 8 states have call predecessors, (26), 9 states have return successors, (26), 3 states have call predecessors, (26), 5 states have call successors, (26) [2022-12-14 13:26:13,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:26:13,408 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2022-12-14 13:26:13,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 13:26:13,409 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 10 states have (on average 4.0) internal successors, (40), 13 states have internal predecessors, (40), 5 states have call successors, (26), 8 states have call predecessors, (26), 9 states have return successors, (26), 3 states have call predecessors, (26), 5 states have call successors, (26) Word has length 44 [2022-12-14 13:26:13,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:26:13,410 INFO L225 Difference]: With dead ends: 79 [2022-12-14 13:26:13,410 INFO L226 Difference]: Without dead ends: 75 [2022-12-14 13:26:13,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 898 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=244, Invalid=2206, Unknown=0, NotChecked=0, Total=2450 [2022-12-14 13:26:13,412 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 137 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 13:26:13,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 98 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 13:26:13,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-12-14 13:26:13,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 66. [2022-12-14 13:26:13,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 17 states have call successors, (17), 11 states have call predecessors, (17), 11 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2022-12-14 13:26:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 75 transitions. [2022-12-14 13:26:13,421 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 75 transitions. Word has length 44 [2022-12-14 13:26:13,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:26:13,422 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 75 transitions. [2022-12-14 13:26:13,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 10 states have (on average 4.0) internal successors, (40), 13 states have internal predecessors, (40), 5 states have call successors, (26), 8 states have call predecessors, (26), 9 states have return successors, (26), 3 states have call predecessors, (26), 5 states have call successors, (26) [2022-12-14 13:26:13,422 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2022-12-14 13:26:13,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 13:26:13,423 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:26:13,423 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:26:13,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 13:26:13,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 13:26:13,625 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:26:13,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:26:13,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1437494693, now seen corresponding path program 1 times [2022-12-14 13:26:13,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:26:13,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756217649] [2022-12-14 13:26:13,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:26:13,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:26:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:26:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 13:26:14,816 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:26:14,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756217649] [2022-12-14 13:26:14,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756217649] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:26:14,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59614422] [2022-12-14 13:26:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:26:14,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:26:14,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:26:14,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:26:14,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 13:26:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:26:14,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 75 conjunts are in the unsatisfiable core [2022-12-14 13:26:14,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:26:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 13:26:15,716 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:26:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 13:26:19,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59614422] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:26:19,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [526814078] [2022-12-14 13:26:19,845 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2022-12-14 13:26:19,845 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:26:19,845 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:26:19,845 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:26:19,845 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:26:22,625 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 41 for LOIs [2022-12-14 13:26:22,632 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 39 for LOIs [2022-12-14 13:26:22,640 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 39 for LOIs [2022-12-14 13:26:22,657 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 53 for LOIs [2022-12-14 13:26:22,662 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 39 for LOIs [2022-12-14 13:26:22,671 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 13:26:25,359 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1106#(and (not (= ~comp_m1_st~0 0)) (<= 0 ~z_val_t~0) (not (= ~d1_ev~0 1)) (= ~comp_m1_i~0 0) (not (= ~d0_ev~0 1)) (= |ULTIMATE.start_stop_simulation_~__retres2~0#1| |ULTIMATE.start_stop_simulation_#res#1|) (not (= ~b0_ev~0 1)) (= ~d1_val_t~0 1) (= |ULTIMATE.start_start_simulation_~tmp~3#1| |ULTIMATE.start_stop_simulation_#res#1|) (not (= ~z_ev~0 1)) (not (= ~b1_ev~0 1)) (not (= ~z_val~0 0)) (= ~b0_val_t~0 1) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) (= 3 |ULTIMATE.start_start_simulation_~kernel_st~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_stop_simulation_~tmp~2#1| 0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= |ULTIMATE.start_stop_simulation_~__retres2~0#1| 1))' at error location [2022-12-14 13:26:25,359 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 13:26:25,359 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 13:26:25,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 43 [2022-12-14 13:26:25,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226928423] [2022-12-14 13:26:25,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 13:26:25,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-12-14 13:26:25,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:26:25,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-12-14 13:26:25,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=4311, Unknown=0, NotChecked=0, Total=4692 [2022-12-14 13:26:25,362 INFO L87 Difference]: Start difference. First operand 66 states and 75 transitions. Second operand has 43 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 32 states have internal predecessors, (59), 12 states have call successors, (29), 10 states have call predecessors, (29), 15 states have return successors, (29), 10 states have call predecessors, (29), 12 states have call successors, (29) [2022-12-14 13:26:28,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:26:28,465 INFO L93 Difference]: Finished difference Result 164 states and 187 transitions. [2022-12-14 13:26:28,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-14 13:26:28,466 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 32 states have internal predecessors, (59), 12 states have call successors, (29), 10 states have call predecessors, (29), 15 states have return successors, (29), 10 states have call predecessors, (29), 12 states have call successors, (29) Word has length 50 [2022-12-14 13:26:28,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:26:28,468 INFO L225 Difference]: With dead ends: 164 [2022-12-14 13:26:28,468 INFO L226 Difference]: Without dead ends: 160 [2022-12-14 13:26:28,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 95 SyntacticMatches, 5 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3820 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=1173, Invalid=9957, Unknown=0, NotChecked=0, Total=11130 [2022-12-14 13:26:28,470 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 188 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 306 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-12-14 13:26:28,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 278 Invalid, 1546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [306 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-12-14 13:26:28,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-12-14 13:26:28,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 81. [2022-12-14 13:26:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 46 states have (on average 1.108695652173913) internal successors, (51), 46 states have internal predecessors, (51), 18 states have call successors, (18), 16 states have call predecessors, (18), 16 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-14 13:26:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions. [2022-12-14 13:26:28,485 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 50 [2022-12-14 13:26:28,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:26:28,485 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions. [2022-12-14 13:26:28,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 29 states have (on average 2.0344827586206895) internal successors, (59), 32 states have internal predecessors, (59), 12 states have call successors, (29), 10 states have call predecessors, (29), 15 states have return successors, (29), 10 states have call predecessors, (29), 12 states have call successors, (29) [2022-12-14 13:26:28,485 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2022-12-14 13:26:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 13:26:28,486 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:26:28,486 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:26:28,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 13:26:28,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:26:28,688 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:26:28,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:26:28,690 INFO L85 PathProgramCache]: Analyzing trace with hash 850733543, now seen corresponding path program 1 times [2022-12-14 13:26:28,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:26:28,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859603115] [2022-12-14 13:26:28,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:26:28,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:26:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:26:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-12-14 13:26:29,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:26:29,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859603115] [2022-12-14 13:26:29,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859603115] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:26:29,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536020450] [2022-12-14 13:26:29,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:26:29,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:26:29,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:26:29,229 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:26:29,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 13:26:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:26:29,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 13:26:29,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:26:29,553 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-12-14 13:26:29,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 13:26:29,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536020450] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 13:26:29,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 13:26:29,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [17] total 26 [2022-12-14 13:26:29,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571886945] [2022-12-14 13:26:29,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 13:26:29,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 13:26:29,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:26:29,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 13:26:29,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=590, Unknown=0, NotChecked=0, Total=650 [2022-12-14 13:26:29,556 INFO L87 Difference]: Start difference. First operand 81 states and 87 transitions. Second operand has 14 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 5 states have call successors, (11), 5 states have call predecessors, (11), 6 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-12-14 13:26:29,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:26:29,815 INFO L93 Difference]: Finished difference Result 150 states and 163 transitions. [2022-12-14 13:26:29,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-14 13:26:29,816 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 5 states have call successors, (11), 5 states have call predecessors, (11), 6 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 77 [2022-12-14 13:26:29,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:26:29,817 INFO L225 Difference]: With dead ends: 150 [2022-12-14 13:26:29,817 INFO L226 Difference]: Without dead ends: 90 [2022-12-14 13:26:29,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=1271, Unknown=0, NotChecked=0, Total=1406 [2022-12-14 13:26:29,819 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 11 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 13:26:29,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 228 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 13:26:29,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-12-14 13:26:29,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2022-12-14 13:26:29,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 50 states have (on average 1.1) internal successors, (55), 50 states have internal predecessors, (55), 19 states have call successors, (19), 17 states have call predecessors, (19), 17 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2022-12-14 13:26:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 93 transitions. [2022-12-14 13:26:29,835 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 93 transitions. Word has length 77 [2022-12-14 13:26:29,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:26:29,835 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 93 transitions. [2022-12-14 13:26:29,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 5 states have call successors, (11), 5 states have call predecessors, (11), 6 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-12-14 13:26:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2022-12-14 13:26:29,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-14 13:26:29,836 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 13:26:29,836 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 13:26:29,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 13:26:30,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:26:30,037 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 13:26:30,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 13:26:30,039 INFO L85 PathProgramCache]: Analyzing trace with hash 519370530, now seen corresponding path program 2 times [2022-12-14 13:26:30,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 13:26:30,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028738562] [2022-12-14 13:26:30,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 13:26:30,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 13:26:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 13:26:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 28 proven. 40 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 13:26:32,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 13:26:32,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028738562] [2022-12-14 13:26:32,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028738562] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 13:26:32,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001013890] [2022-12-14 13:26:32,776 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 13:26:32,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:26:32,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 13:26:32,777 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 13:26:32,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 13:26:32,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 13:26:32,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 13:26:32,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 102 conjunts are in the unsatisfiable core [2022-12-14 13:26:32,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 13:26:34,505 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 3 proven. 79 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 13:26:34,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 13:26:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 40 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 13:26:58,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001013890] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 13:26:58,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2054787077] [2022-12-14 13:26:58,789 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2022-12-14 13:26:58,789 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 13:26:58,790 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 13:26:58,790 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 13:26:58,790 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 13:27:03,113 INFO L197 IcfgInterpreter]: Interpreting procedure reset_delta_events with input of size 41 for LOIs [2022-12-14 13:27:03,120 INFO L197 IcfgInterpreter]: Interpreting procedure fire_delta_events with input of size 39 for LOIs [2022-12-14 13:27:03,126 INFO L197 IcfgInterpreter]: Interpreting procedure update_channels with input of size 39 for LOIs [2022-12-14 13:27:03,137 INFO L197 IcfgInterpreter]: Interpreting procedure exists_runnable_thread with input of size 53 for LOIs [2022-12-14 13:27:03,142 INFO L197 IcfgInterpreter]: Interpreting procedure activate_threads with input of size 39 for LOIs [2022-12-14 13:27:03,150 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 13:27:07,621 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2844#(and (not (= ~comp_m1_st~0 0)) (<= 0 ~z_val_t~0) (not (= ~d1_ev~0 1)) (= ~comp_m1_i~0 0) (not (= ~d0_ev~0 1)) (= |ULTIMATE.start_stop_simulation_~__retres2~0#1| |ULTIMATE.start_stop_simulation_#res#1|) (not (= ~b0_ev~0 1)) (= ~d1_val_t~0 1) (= |ULTIMATE.start_start_simulation_~tmp~3#1| |ULTIMATE.start_stop_simulation_#res#1|) (not (= ~z_ev~0 1)) (not (= ~b1_ev~0 1)) (not (= ~z_val~0 0)) (= ~b0_val_t~0 1) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) (= 3 |ULTIMATE.start_start_simulation_~kernel_st~0#1|) (= |#NULL.offset| 0) (= |ULTIMATE.start_stop_simulation_~tmp~2#1| 0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= |ULTIMATE.start_stop_simulation_~__retres2~0#1| 1))' at error location [2022-12-14 13:27:07,621 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 13:27:07,621 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-14 13:27:07,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 19, 20] total 68 [2022-12-14 13:27:07,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161452251] [2022-12-14 13:27:07,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-14 13:27:07,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-12-14 13:27:07,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 13:27:07,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-12-14 13:27:07,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=8313, Unknown=0, NotChecked=0, Total=8742 [2022-12-14 13:27:07,624 INFO L87 Difference]: Start difference. First operand 87 states and 93 transitions. Second operand has 68 states, 43 states have (on average 2.604651162790698) internal successors, (112), 46 states have internal predecessors, (112), 20 states have call successors, (52), 18 states have call predecessors, (52), 24 states have return successors, (52), 19 states have call predecessors, (52), 20 states have call successors, (52) [2022-12-14 13:27:14,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 13:27:14,555 INFO L93 Difference]: Finished difference Result 115 states and 124 transitions. [2022-12-14 13:27:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-12-14 13:27:14,556 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 43 states have (on average 2.604651162790698) internal successors, (112), 46 states have internal predecessors, (112), 20 states have call successors, (52), 18 states have call predecessors, (52), 24 states have return successors, (52), 19 states have call predecessors, (52), 20 states have call successors, (52) Word has length 83 [2022-12-14 13:27:14,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 13:27:14,556 INFO L225 Difference]: With dead ends: 115 [2022-12-14 13:27:14,556 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 13:27:14,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 188 SyntacticMatches, 10 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4840 ImplicationChecksByTransitivity, 15.5s TimeCoverageRelationStatistics Valid=1437, Invalid=15075, Unknown=0, NotChecked=0, Total=16512 [2022-12-14 13:27:14,559 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 275 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 13:27:14,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 306 Invalid, 2120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [678 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 13:27:14,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 13:27:14,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 13:27:14,560 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) [2022-12-14 13:27:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 13:27:14,560 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2022-12-14 13:27:14,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 13:27:14,560 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 13:27:14,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 43 states have (on average 2.604651162790698) internal successors, (112), 46 states have internal predecessors, (112), 20 states have call successors, (52), 18 states have call predecessors, (52), 24 states have return successors, (52), 19 states have call predecessors, (52), 20 states have call successors, (52) [2022-12-14 13:27:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 13:27:14,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 13:27:14,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 13:27:14,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 13:27:14,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 13:27:14,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 13:27:18,213 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 383 398) the Hoare annotation is: (let ((.cse0 (not (= ~d0_val_t~0 ~d0_val~0))) (.cse2 (not (= ~b1_val_t~0 1))) (.cse3 (not (= ~d0_val_t~0 1))) (.cse4 (not (= 0 ~b1_req_up~0))) (.cse5 (not (= ~z_val~0 0))) (.cse6 (not (= ~d1_val_t~0 ~d1_val~0))) (.cse7 (not (= ~d0_req_up~0 0))) (.cse8 (= ~b1_ev~0 0)) (.cse9 (not (= ~b0_val_t~0 1))) (.cse10 (not (= ~d1_req_up~0 0))) (.cse11 (not (= ~b0_req_up~0 0))) (.cse12 (not (= 0 ~z_val_t~0))) (.cse1 (not (= 2 |old(~comp_m1_st~0)|)))) (and (or (= ~comp_m1_st~0 |old(~comp_m1_st~0)|) (not (= ~d1_ev~0 1)) .cse0 (and (not (= 0 |old(~comp_m1_st~0)|)) .cse1) .cse2 (not (= ~d0_ev~0 1)) (not (= ~z_req_up~0 0)) (not (= ~b0_ev~0 1)) .cse3 .cse4 .cse5 .cse6 .cse7 (not (= ~b1_val~0 1)) .cse8 .cse9 .cse10 .cse11 .cse12 (not (= ~d1_val~0 1)) (not (= ~b0_val~0 1))) (or (not (= ~d1_val_t~0 1)) .cse0 (not (= ~b1_val~0 ~b1_val_t~0)) .cse2 (not (= ~b0_ev~0 2)) .cse3 (not (= ~b0_val_t~0 ~b0_val~0)) .cse4 .cse5 (not (= 2 ~d0_ev~0)) .cse6 .cse7 .cse8 (= ~b1_ev~0 1) .cse9 .cse10 .cse11 (= ~d1_ev~0 ~comp_m1_st~0) .cse12 (not (= ~d1_ev~0 |old(~comp_m1_st~0)|)) .cse1))) [2022-12-14 13:27:18,214 INFO L899 garLoopResultBuilder]: For program point activate_threadsEXIT(lines 383 398) no Hoare annotation was computed. [2022-12-14 13:27:18,214 INFO L899 garLoopResultBuilder]: For program point exists_runnable_threadEXIT(lines 264 278) no Hoare annotation was computed. [2022-12-14 13:27:18,214 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 264 278) the Hoare annotation is: true [2022-12-14 13:27:18,214 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 317 349) the Hoare annotation is: (let ((.cse11 (= |old(~b1_ev~0)| ~b1_ev~0)) (.cse0 (not (= ~d0_val_t~0 ~d0_val~0))) (.cse1 (not (= ~b1_val_t~0 1))) (.cse6 (not (= 2 ~comp_m1_st~0))) (.cse2 (not (= ~d0_val_t~0 1))) (.cse3 (not (= 0 ~b1_req_up~0))) (.cse4 (not (= ~z_val~0 0))) (.cse5 (not (= ~d1_val_t~0 ~d1_val~0))) (.cse7 (not (= ~d0_req_up~0 0))) (.cse8 (not (= ~b0_val_t~0 1))) (.cse9 (not (= ~d1_req_up~0 0))) (.cse10 (not (= ~b0_req_up~0 0))) (.cse12 (not (= 0 ~z_val_t~0)))) (and (or (not (= ~d1_val_t~0 1)) .cse0 (= |old(~b1_ev~0)| 0) (not (= ~b1_val~0 ~b1_val_t~0)) .cse1 .cse2 (not (= ~b0_val_t~0 ~b0_val~0)) .cse3 .cse4 .cse5 .cse6 .cse7 (not (= 2 |old(~d0_ev~0)|)) (not (= 2 |old(~b0_ev~0)|)) .cse8 .cse9 .cse10 (and (= 2 ~d0_ev~0) (= ~d1_ev~0 ~comp_m1_st~0) (= ~b0_ev~0 2) .cse11) (not (= ~comp_m1_st~0 |old(~d1_ev~0)|)) .cse12 (= |old(~b1_ev~0)| 1)) (or (and (= ~d1_ev~0 0) (= |old(~d0_ev~0)| ~d0_ev~0) (= ~b0_ev~0 0) .cse11) (not (= |old(~b0_ev~0)| 0)) .cse0 .cse1 (not (= ~z_req_up~0 0)) (and (not (= ~comp_m1_st~0 0)) .cse6) .cse2 .cse3 .cse4 (not (= |old(~d0_ev~0)| 0)) .cse5 .cse7 (not (= ~b1_val~0 1)) (not (= |old(~d1_ev~0)| 0)) .cse8 .cse9 .cse10 .cse12 (not (= ~d1_val~0 1)) (not (= ~b0_val~0 1))))) [2022-12-14 13:27:18,214 INFO L899 garLoopResultBuilder]: For program point fire_delta_eventsEXIT(lines 317 349) no Hoare annotation was computed. [2022-12-14 13:27:18,214 INFO L899 garLoopResultBuilder]: For program point update_channelsEXIT(lines 208 250) no Hoare annotation was computed. [2022-12-14 13:27:18,215 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 208 250) the Hoare annotation is: (let ((.cse0 (not (= ~d1_val_t~0 1))) (.cse1 (not (= ~b1_val_t~0 1))) (.cse9 (not (= |old(~z_val~0)| 0))) (.cse10 (not (= ~d0_val_t~0 1))) (.cse11 (not (= 2 |old(~b0_ev~0)|))) (.cse12 (not (= ~b0_val_t~0 1))) (.cse2 (= ~b0_req_up~0 |old(~b0_req_up~0)|)) (.cse3 (= ~z_val~0 0)) (.cse4 (= ~b0_ev~0 2)) (.cse5 (= |old(~z_req_up~0)| ~z_req_up~0)) (.cse6 (= |old(~b1_ev~0)| ~b1_ev~0)) (.cse7 (= |old(~b0_val~0)| ~b0_val~0)) (.cse8 (= ~d1_req_up~0 |old(~d1_req_up~0)|)) (.cse13 (not (= 0 ~z_val_t~0)))) (and (or (not (= ~comp_m1_st~0 0)) .cse0 (not (= |old(~z_req_up~0)| 0)) .cse1 (and (= ~d1_ev~0 |old(~d1_ev~0)|) .cse2 (= ~b1_val~0 |old(~b1_val~0)|) (= |old(~d0_req_up~0)| ~d0_req_up~0) (= |old(~d0_ev~0)| ~d0_ev~0) .cse3 (= |old(~d0_val~0)| ~d0_val~0) (= ~d1_val~0 0) .cse4 .cse5 .cse6 (= 1 ~b1_req_up~0) .cse7 .cse8) (not (= |old(~d0_req_up~0)| 1)) .cse9 .cse10 .cse11 (= |old(~d0_val~0)| 1) (not (= |old(~d1_val~0)| 0)) .cse12 (not (= |old(~b0_req_up~0)| 1)) (not (= |old(~d1_req_up~0)| 1)) (not (= |old(~b0_val~0)| 0)) (not (= |old(~b1_val~0)| 0)) (not (= |old(~b1_req_up~0)| 1)) .cse13) (or .cse0 (not (= |old(~d0_req_up~0)| 0)) (= |old(~b1_ev~0)| 0) .cse1 .cse9 .cse10 (not (= |old(~b0_val~0)| ~b0_val_t~0)) (not (= 2 ~comp_m1_st~0)) (not (= 2 |old(~d0_ev~0)|)) .cse11 (not (= |old(~d0_val~0)| ~d0_val_t~0)) .cse12 (and .cse2 (= ~d1_val_t~0 ~d1_val~0) (= 2 ~d0_ev~0) .cse3 (= ~d1_ev~0 ~comp_m1_st~0) (= |old(~b1_req_up~0)| ~b1_req_up~0) .cse4 (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val~0 ~b1_val_t~0) .cse5 .cse6 .cse7 (= ~d0_req_up~0 0) .cse8) (not (= 0 |old(~b0_req_up~0)|)) (not (= ~comp_m1_st~0 |old(~d1_ev~0)|)) (not (= |old(~b1_req_up~0)| 0)) (not (= ~b1_val_t~0 |old(~b1_val~0)|)) .cse13 (not (= |old(~d1_req_up~0)| 0)) (not (= ~d1_val_t~0 |old(~d1_val~0)|)) (= |old(~b1_ev~0)| 1)))) [2022-12-14 13:27:18,215 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 350 382) the Hoare annotation is: (let ((.cse0 (not (= ~d0_val_t~0 ~d0_val~0))) (.cse1 (= |old(~b1_ev~0)| 0)) (.cse2 (not (= ~b1_val_t~0 1))) (.cse11 (= |old(~b1_ev~0)| ~b1_ev~0)) (.cse3 (not (= ~d0_val_t~0 1))) (.cse4 (not (= 0 ~b1_req_up~0))) (.cse5 (not (= ~z_val~0 0))) (.cse6 (not (= ~d1_val_t~0 ~d1_val~0))) (.cse7 (not (= ~d0_req_up~0 0))) (.cse8 (not (= ~b0_val_t~0 1))) (.cse9 (not (= ~d1_req_up~0 0))) (.cse10 (not (= ~b0_req_up~0 0))) (.cse12 (not (= 0 ~z_val_t~0)))) (and (or (not (= ~d1_val_t~0 1)) .cse0 .cse1 (not (= ~b1_val~0 ~b1_val_t~0)) .cse2 .cse3 (not (= ~b0_val_t~0 ~b0_val~0)) .cse4 .cse5 .cse6 (not (= 2 ~comp_m1_st~0)) .cse7 (not (= 2 |old(~d0_ev~0)|)) (not (= 2 |old(~b0_ev~0)|)) .cse8 .cse9 .cse10 (and (= 2 ~d0_ev~0) (= ~d1_ev~0 ~comp_m1_st~0) (= ~b0_ev~0 2) .cse11) (not (= ~comp_m1_st~0 |old(~d1_ev~0)|)) .cse12 (= |old(~b1_ev~0)| 1)) (or (not (= ~comp_m1_st~0 0)) (not (= |old(~d0_ev~0)| 1)) .cse0 .cse1 .cse2 (not (= ~z_req_up~0 0)) (and (= ~b0_ev~0 |old(~b0_ev~0)|) (= ~d0_ev~0 1) (= ~d1_ev~0 1) .cse11) .cse3 .cse4 .cse5 .cse6 .cse7 (not (= ~b1_val~0 1)) .cse8 .cse9 .cse10 (not (= |old(~b0_ev~0)| 1)) .cse12 (not (= ~d1_val~0 1)) (not (= |old(~d1_ev~0)| 1)) (not (= ~b0_val~0 1))))) [2022-12-14 13:27:18,216 INFO L899 garLoopResultBuilder]: For program point reset_delta_eventsEXIT(lines 350 382) no Hoare annotation was computed. [2022-12-14 13:27:18,216 INFO L895 garLoopResultBuilder]: At program point L440(line 440) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (not (= ~b1_ev~0 1)) (= 0 ~b1_req_up~0) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_val~0 1) (= 2 ~d0_ev~0) (= 2 ~comp_m1_st~0) (= ~b0_val~0 1) (= ~z_val~0 0) (= ~d1_ev~0 ~comp_m1_st~0) (not (= ~b1_ev~0 0)) (= ~b0_ev~0 2) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~b1_val~0 1) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,216 INFO L899 garLoopResultBuilder]: For program point L440-1(line 440) no Hoare annotation was computed. [2022-12-14 13:27:18,216 INFO L895 garLoopResultBuilder]: At program point L19(line 19) the Hoare annotation is: false [2022-12-14 13:27:18,216 INFO L895 garLoopResultBuilder]: At program point L432-1(lines 432 454) the Hoare annotation is: (let ((.cse0 (= 0 ~z_val_t~0)) (.cse1 (= ~b0_req_up~0 0)) (.cse2 (not (= ~b1_ev~0 1))) (.cse3 (= 0 ~b1_req_up~0)) (.cse4 (= ~d1_req_up~0 0)) (.cse5 (= ~d1_val_t~0 ~d1_val~0)) (.cse6 (= ~d1_val~0 1)) (.cse7 (= 2 ~d0_ev~0)) (.cse8 (= ~b0_val~0 1)) (.cse9 (= ~z_val~0 0)) (.cse10 (not (= ~b1_ev~0 0))) (.cse11 (= ~b0_ev~0 2)) (.cse12 (= ~d0_val_t~0 ~d0_val~0)) (.cse13 (= ~b1_val_t~0 1)) (.cse14 (= ~d0_val_t~0 1)) (.cse15 (= ~b1_val~0 1)) (.cse16 (= ~b0_val_t~0 ~b0_val~0)) (.cse17 (= ~d0_req_up~0 0))) (or (and .cse0 (= 2 ~d1_ev~0) .cse1 (= ~comp_m1_st~0 0) (= ~z_req_up~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) .cse4 .cse5 .cse6 .cse7 (= 2 ~comp_m1_st~0) .cse8 .cse9 (= ~d1_ev~0 ~comp_m1_st~0) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17))) [2022-12-14 13:27:18,216 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 453) no Hoare annotation was computed. [2022-12-14 13:27:18,216 INFO L895 garLoopResultBuilder]: At program point start_simulation_returnLabel#1(lines 418 460) the Hoare annotation is: (let ((.cse0 (= 0 ~z_val_t~0)) (.cse1 (= ~z_val~0 0))) (or (and .cse0 .cse1 (or (= |ULTIMATE.start_eval_~tmp___0~0#1| 1) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0)) (or (= ~comp_m1_st~0 0) (= 2 ~comp_m1_st~0))) (and .cse0 (= ~z_req_up~0 0) .cse1))) [2022-12-14 13:27:18,217 INFO L895 garLoopResultBuilder]: At program point L425(line 425) the Hoare annotation is: (and (not (= ~d0_val~0 1)) (= ~b0_req_up~0 1) (= 0 ~z_val_t~0) (= ~comp_m1_st~0 0) (= ~z_req_up~0 0) (= ~d1_val_t~0 1) (= ~b1_val~0 0) (= ~b0_val_t~0 1) (= ~d0_req_up~0 1) (= ~b0_val~0 0) (= ~z_val~0 0) (or (not (= |old(~d0_ev~0)| 1)) (and (= 2 ~d1_ev~0) (= 2 ~d0_ev~0) (or (and (not (= ~b1_ev~0 1)) (= |old(~b1_ev~0)| ~b1_ev~0)) (= ~b1_ev~0 2))) (not (= |old(~d1_ev~0)| 1))) (= ~d1_val~0 0) (= ~b0_ev~0 2) (= ~b1_val_t~0 1) (= ~d1_req_up~0 1) (= ~d0_val_t~0 1) (= 1 ~b1_req_up~0)) [2022-12-14 13:27:18,217 INFO L895 garLoopResultBuilder]: At program point L425-1(line 425) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (= ~comp_m1_st~0 0) (= ~z_req_up~0 0) (= ~d0_ev~0 0) (= 0 ~b1_req_up~0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_ev~0 0) (= ~d1_val~0 1) (= ~b0_val~0 1) (= ~z_val~0 0) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~b1_val~0 1) (= ~b0_ev~0 0) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,217 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2022-12-14 13:27:18,217 INFO L895 garLoopResultBuilder]: At program point L286(line 286) the Hoare annotation is: (let ((.cse5 (= 0 ~z_val_t~0)) (.cse0 (= ~b0_req_up~0 0)) (.cse1 (not (= ~b1_ev~0 1))) (.cse2 (= 0 ~b1_req_up~0)) (.cse3 (= ~b0_val_t~0 1)) (.cse4 (= ~d1_req_up~0 0)) (.cse11 (= ~d1_val_t~0 ~d1_val~0)) (.cse12 (= 2 ~d0_ev~0)) (.cse10 (= 2 ~comp_m1_st~0)) (.cse7 (= ~z_val~0 0)) (.cse13 (not (= ~b1_ev~0 0))) (.cse14 (= ~b0_ev~0 2)) (.cse15 (= ~d0_val_t~0 ~d0_val~0)) (.cse16 (= ~b1_val~0 ~b1_val_t~0)) (.cse17 (= ~b1_val_t~0 1)) (.cse18 (= ~d0_val_t~0 1)) (.cse19 (= ~b0_val_t~0 ~b0_val~0)) (.cse20 (= ~d0_req_up~0 0))) (or (and (= 2 ~d1_ev~0) .cse0 .cse1 .cse2 .cse3 .cse4 (let ((.cse6 (= ~d1_val~0 1)) (.cse8 (or (= ~comp_m1_st~0 0) .cse10))) (or (and .cse5 (= ~z_req_up~0 0) .cse6 .cse7 .cse8) (let ((.cse9 (= |ULTIMATE.start_eval_~tmp___0~0#1| 0))) (and .cse5 (or (not .cse9) (= ~z_req_up~0 1)) .cse6 .cse7 (or (= |ULTIMATE.start_eval_~tmp___0~0#1| 1) .cse9) .cse8)))) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse5 .cse0 (= ~d1_val_t~0 1) .cse1 .cse2 .cse3 .cse4 .cse11 .cse12 .cse10 .cse7 (= ~d1_ev~0 ~comp_m1_st~0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20))) [2022-12-14 13:27:18,217 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 507) no Hoare annotation was computed. [2022-12-14 13:27:18,218 INFO L902 garLoopResultBuilder]: At program point L501-2(lines 501 507) the Hoare annotation is: true [2022-12-14 13:27:18,218 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (= ~z_req_up~0 0) (= ~d0_ev~0 0) (= 0 ~b1_req_up~0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_ev~0 0) (= ~d1_val~0 1) (= ~b0_val~0 1) (= ~z_val~0 0) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~b1_val~0 1) (or (= ~comp_m1_st~0 0) (= 2 ~comp_m1_st~0)) (= ~b0_ev~0 0) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,218 INFO L895 garLoopResultBuilder]: At program point L427-1(line 427) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (= ~z_req_up~0 0) (= ~b0_ev~0 1) (= 0 ~b1_req_up~0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_val~0 1) (= ~b0_val~0 1) (= ~z_val~0 0) (not (= ~b1_ev~0 0)) (= ~d0_ev~0 1) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~d1_ev~0 1) (= ~b1_val~0 1) (or (= ~comp_m1_st~0 0) (= 2 ~comp_m1_st~0)) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,218 INFO L895 garLoopResultBuilder]: At program point L295(lines 285 310) the Hoare annotation is: (let ((.cse5 (= 0 ~z_val_t~0)) (.cse0 (= ~b0_req_up~0 0)) (.cse1 (not (= ~b1_ev~0 1))) (.cse2 (= 0 ~b1_req_up~0)) (.cse3 (= ~b0_val_t~0 1)) (.cse4 (= ~d1_req_up~0 0)) (.cse11 (= ~d1_val_t~0 ~d1_val~0)) (.cse12 (= 2 ~d0_ev~0)) (.cse10 (= 2 ~comp_m1_st~0)) (.cse7 (= ~z_val~0 0)) (.cse13 (not (= ~b1_ev~0 0))) (.cse14 (= ~b0_ev~0 2)) (.cse15 (= ~d0_val_t~0 ~d0_val~0)) (.cse16 (= ~b1_val~0 ~b1_val_t~0)) (.cse17 (= ~b1_val_t~0 1)) (.cse18 (= ~d0_val_t~0 1)) (.cse19 (= ~b0_val_t~0 ~b0_val~0)) (.cse20 (= ~d0_req_up~0 0))) (or (and (= 2 ~d1_ev~0) .cse0 .cse1 .cse2 .cse3 .cse4 (let ((.cse6 (= ~d1_val~0 1)) (.cse8 (or (= ~comp_m1_st~0 0) .cse10))) (or (and .cse5 (= ~z_req_up~0 0) .cse6 .cse7 .cse8) (let ((.cse9 (= |ULTIMATE.start_eval_~tmp___0~0#1| 0))) (and .cse5 (or (not .cse9) (= ~z_req_up~0 1)) .cse6 .cse7 (or (= |ULTIMATE.start_eval_~tmp___0~0#1| 1) .cse9) .cse8)))) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20) (and .cse5 .cse0 (= ~d1_val_t~0 1) .cse1 .cse2 .cse3 .cse4 .cse11 .cse12 .cse10 .cse7 (= ~d1_ev~0 ~comp_m1_st~0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20))) [2022-12-14 13:27:18,218 INFO L895 garLoopResultBuilder]: At program point eval_returnLabel#1(lines 279 316) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (not (= ~b1_ev~0 1)) (= 0 ~b1_req_up~0) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_val~0 1) (= 2 ~d0_ev~0) (= 2 ~comp_m1_st~0) (= ~b0_val~0 1) (= ~z_val~0 0) (= ~d1_ev~0 ~comp_m1_st~0) (not (= ~b1_ev~0 0)) (= ~b0_ev~0 2) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~b1_val~0 1) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,218 INFO L895 garLoopResultBuilder]: At program point L444(line 444) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (not (= ~b1_ev~0 1)) (= 0 ~b1_req_up~0) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_val~0 1) (= 2 ~d0_ev~0) (= 2 ~comp_m1_st~0) (= ~b0_val~0 1) (= ~z_val~0 0) (= ~d1_ev~0 ~comp_m1_st~0) (not (= ~b1_ev~0 0)) (= ~b0_ev~0 2) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~b1_val~0 1) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,219 INFO L895 garLoopResultBuilder]: At program point L444-1(line 444) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (not (= ~b1_ev~0 1)) (= 0 ~b1_req_up~0) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_val~0 1) (= 2 ~d0_ev~0) (= 2 ~comp_m1_st~0) (= ~b0_val~0 1) (= ~z_val~0 0) (= ~d1_ev~0 ~comp_m1_st~0) (not (= ~b1_ev~0 0)) (= ~b0_ev~0 2) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~b1_val~0 1) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,219 INFO L895 garLoopResultBuilder]: At program point L428(line 428) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (= ~comp_m1_st~0 0) (= ~z_req_up~0 0) (= ~b0_ev~0 1) (= 0 ~b1_req_up~0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_val~0 1) (= ~b0_val~0 1) (= ~z_val~0 0) (not (= ~b1_ev~0 0)) (= ~d0_ev~0 1) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~d1_ev~0 1) (= ~b1_val~0 1) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,219 INFO L899 garLoopResultBuilder]: For program point L288(line 288) no Hoare annotation was computed. [2022-12-14 13:27:18,219 INFO L895 garLoopResultBuilder]: At program point L445(line 445) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (not (= ~b1_ev~0 1)) (= 0 ~b1_req_up~0) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_val~0 1) (= 2 ~d0_ev~0) (= 2 ~comp_m1_st~0) (= ~b0_val~0 1) (= ~z_val~0 0) (= ~d1_ev~0 ~comp_m1_st~0) (not (= ~b1_ev~0 0)) (= ~b0_ev~0 2) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~b1_val~0 1) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2022-12-14 13:27:18,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 13:27:18,219 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-12-14 13:27:18,220 INFO L895 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (not (= ~b1_ev~0 1)) (= 0 ~b1_req_up~0) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_val~0 1) (= 2 ~d0_ev~0) (= 2 ~comp_m1_st~0) (= ~b0_val~0 1) (= ~z_val~0 0) (= ~d1_ev~0 ~comp_m1_st~0) (not (= ~b1_ev~0 0)) (= ~b0_ev~0 2) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~b1_val~0 1) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,220 INFO L895 garLoopResultBuilder]: At program point L405-1(line 405) the Hoare annotation is: (and (= 0 ~z_val_t~0) (= ~b0_req_up~0 0) (not (= ~b1_ev~0 1)) (= 0 ~b1_req_up~0) (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) (= ~d1_req_up~0 0) (= ~d1_val_t~0 ~d1_val~0) (= ~d1_val~0 1) (= 2 ~d0_ev~0) (= 2 ~comp_m1_st~0) (= ~b0_val~0 1) (= ~z_val~0 0) (= ~d1_ev~0 ~comp_m1_st~0) (not (= ~b1_ev~0 0)) (= ~b0_ev~0 2) (= ~d0_val_t~0 ~d0_val~0) (= ~b1_val_t~0 1) (= ~d0_val_t~0 1) (= ~b1_val~0 1) (= ~b0_val_t~0 ~b0_val~0) (= ~d0_req_up~0 0)) [2022-12-14 13:27:18,220 INFO L895 garLoopResultBuilder]: At program point L290(lines 290 294) the Hoare annotation is: (let ((.cse0 (= 0 ~z_val_t~0)) (.cse1 (= ~b0_req_up~0 0)) (.cse2 (not (= ~b1_ev~0 1))) (.cse3 (= 0 ~b1_req_up~0)) (.cse4 (= ~d1_req_up~0 0)) (.cse5 (= ~d1_val_t~0 ~d1_val~0)) (.cse6 (= ~d1_val~0 1)) (.cse7 (= 2 ~d0_ev~0)) (.cse8 (= ~b0_val~0 1)) (.cse9 (= ~z_val~0 0)) (.cse10 (not (= ~b1_ev~0 0))) (.cse11 (= ~b0_ev~0 2)) (.cse12 (= ~d0_val_t~0 ~d0_val~0)) (.cse13 (= ~b1_val_t~0 1)) (.cse14 (= ~d0_val_t~0 1)) (.cse15 (= ~b1_val~0 1)) (.cse16 (= ~b0_val_t~0 ~b0_val~0)) (.cse17 (= ~d0_req_up~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_eval_~tmp___0~0#1| 0) .cse4 .cse5 .cse6 .cse7 (= 2 ~comp_m1_st~0) .cse8 .cse9 (= ~d1_ev~0 ~comp_m1_st~0) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) (and .cse0 (= 2 ~d1_ev~0) .cse1 (= ~comp_m1_st~0 0) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (= |ULTIMATE.start_eval_~tmp___0~0#1| ~b0_val~0) .cse15 .cse16 .cse17))) [2022-12-14 13:27:18,222 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2022-12-14 13:27:18,223 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 13:27:18,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 01:27:18 BoogieIcfgContainer [2022-12-14 13:27:18,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 13:27:18,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 13:27:18,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 13:27:18,247 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 13:27:18,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 01:26:00" (3/4) ... [2022-12-14 13:27:18,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 13:27:18,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_threads [2022-12-14 13:27:18,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure exists_runnable_thread [2022-12-14 13:27:18,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fire_delta_events [2022-12-14 13:27:18,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure update_channels [2022-12-14 13:27:18,254 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure reset_delta_events [2022-12-14 13:27:18,259 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2022-12-14 13:27:18,259 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-14 13:27:18,260 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 13:27:18,260 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 13:27:18,277 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(comp_m1_st == 0) || !(d1_val_t == 1)) || !(\old(z_req_up) == 0)) || !(b1_val_t == 1)) || (((((((((((((d1_ev == \old(d1_ev) && b0_req_up == \old(b0_req_up)) && b1_val == \old(b1_val)) && \old(d0_req_up) == d0_req_up) && \old(d0_ev) == d0_ev) && z_val == 0) && \old(d0_val) == d0_val) && d1_val == 0) && b0_ev == 2) && \old(z_req_up) == z_req_up) && \old(b1_ev) == b1_ev) && 1 == b1_req_up) && \old(b0_val) == b0_val) && d1_req_up == \old(d1_req_up))) || !(\old(d0_req_up) == 1)) || !(\old(z_val) == 0)) || !(d0_val_t == 1)) || !(2 == \old(b0_ev))) || \old(d0_val) == 1) || !(\old(d1_val) == 0)) || !(b0_val_t == 1)) || !(\old(b0_req_up) == 1)) || !(\old(d1_req_up) == 1)) || !(\old(b0_val) == 0)) || !(\old(b1_val) == 0)) || !(\old(b1_req_up) == 1)) || !(0 == z_val_t)) && ((((((((((((((((((((!(d1_val_t == 1) || !(\old(d0_req_up) == 0)) || \old(b1_ev) == 0) || !(b1_val_t == 1)) || !(\old(z_val) == 0)) || !(d0_val_t == 1)) || !(\old(b0_val) == b0_val_t)) || !(2 == comp_m1_st)) || !(2 == \old(d0_ev))) || !(2 == \old(b0_ev))) || !(\old(d0_val) == d0_val_t)) || !(b0_val_t == 1)) || (((((((((((((b0_req_up == \old(b0_req_up) && d1_val_t == d1_val) && 2 == d0_ev) && z_val == 0) && d1_ev == comp_m1_st) && \old(b1_req_up) == b1_req_up) && b0_ev == 2) && d0_val_t == d0_val) && b1_val == b1_val_t) && \old(z_req_up) == z_req_up) && \old(b1_ev) == b1_ev) && \old(b0_val) == b0_val) && d0_req_up == 0) && d1_req_up == \old(d1_req_up))) || !(0 == \old(b0_req_up))) || !(comp_m1_st == \old(d1_ev))) || !(\old(b1_req_up) == 0)) || !(b1_val_t == \old(b1_val))) || !(0 == z_val_t)) || !(\old(d1_req_up) == 0)) || !(d1_val_t == \old(d1_val))) || \old(b1_ev) == 1) [2022-12-14 13:27:18,277 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((comp_m1_st == \old(comp_m1_st) || !(d1_ev == 1)) || !(d0_val_t == d0_val)) || (!(0 == \old(comp_m1_st)) && !(2 == \old(comp_m1_st)))) || !(b1_val_t == 1)) || !(d0_ev == 1)) || !(z_req_up == 0)) || !(b0_ev == 1)) || !(d0_val_t == 1)) || !(0 == b1_req_up)) || !(z_val == 0)) || !(d1_val_t == d1_val)) || !(d0_req_up == 0)) || !(b1_val == 1)) || b1_ev == 0) || !(b0_val_t == 1)) || !(d1_req_up == 0)) || !(b0_req_up == 0)) || !(0 == z_val_t)) || !(d1_val == 1)) || !(b0_val == 1)) && ((((((((((((((((((((!(d1_val_t == 1) || !(d0_val_t == d0_val)) || !(b1_val == b1_val_t)) || !(b1_val_t == 1)) || !(b0_ev == 2)) || !(d0_val_t == 1)) || !(b0_val_t == b0_val)) || !(0 == b1_req_up)) || !(z_val == 0)) || !(2 == d0_ev)) || !(d1_val_t == d1_val)) || !(d0_req_up == 0)) || b1_ev == 0) || b1_ev == 1) || !(b0_val_t == 1)) || !(d1_req_up == 0)) || !(b0_req_up == 0)) || d1_ev == comp_m1_st) || !(0 == z_val_t)) || !(d1_ev == \old(comp_m1_st))) || !(2 == \old(comp_m1_st))) [2022-12-14 13:27:18,297 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 13:27:18,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 13:27:18,297 INFO L158 Benchmark]: Toolchain (without parser) took 79078.63ms. Allocated memory was 140.5MB in the beginning and 369.1MB in the end (delta: 228.6MB). Free memory was 100.2MB in the beginning and 244.9MB in the end (delta: -144.7MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2022-12-14 13:27:18,298 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 102.8MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:27:18,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.59ms. Allocated memory is still 140.5MB. Free memory was 99.8MB in the beginning and 86.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 13:27:18,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.37ms. Allocated memory is still 140.5MB. Free memory was 86.8MB in the beginning and 84.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:27:18,298 INFO L158 Benchmark]: Boogie Preprocessor took 19.61ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 83.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 13:27:18,298 INFO L158 Benchmark]: RCFGBuilder took 531.92ms. Allocated memory is still 140.5MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 962.3kB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-12-14 13:27:18,298 INFO L158 Benchmark]: TraceAbstraction took 78239.37ms. Allocated memory was 140.5MB in the beginning and 369.1MB in the end (delta: 228.6MB). Free memory was 81.4MB in the beginning and 251.2MB in the end (delta: -169.8MB). Peak memory consumption was 204.6MB. Max. memory is 16.1GB. [2022-12-14 13:27:18,299 INFO L158 Benchmark]: Witness Printer took 50.18ms. Allocated memory is still 369.1MB. Free memory was 251.2MB in the beginning and 244.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 13:27:18,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 102.8MB. Free memory is still 77.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.59ms. Allocated memory is still 140.5MB. Free memory was 99.8MB in the beginning and 86.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.37ms. Allocated memory is still 140.5MB. Free memory was 86.8MB in the beginning and 84.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.61ms. Allocated memory is still 140.5MB. Free memory was 84.7MB in the beginning and 83.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 531.92ms. Allocated memory is still 140.5MB. Free memory was 83.0MB in the beginning and 82.0MB in the end (delta: 962.3kB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * TraceAbstraction took 78239.37ms. Allocated memory was 140.5MB in the beginning and 369.1MB in the end (delta: 228.6MB). Free memory was 81.4MB in the beginning and 251.2MB in the end (delta: -169.8MB). Peak memory consumption was 204.6MB. Max. memory is 16.1GB. * Witness Printer took 50.18ms. Allocated memory is still 369.1MB. Free memory was 251.2MB in the beginning and 244.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 19]: 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 6 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 78.2s, OverallIterations: 5, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 635 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 611 mSDsluCounter, 942 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 802 mSDsCounter, 1152 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3148 IncrementalHoareTripleChecker+Invalid, 4300 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1152 mSolverCounterUnsat, 140 mSDtfsCounter, 3148 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 781 GetRequests, 450 SyntacticMatches, 16 SemanticMatches, 315 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9735 ImplicationChecksByTransitivity, 29.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=4, InterpolantAutomatonStates: 115, 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, 5 MinimizatonAttempts, 91 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 65 PreInvPairs, 99 NumberOfFragments, 2208 HoareAnnotationTreeSize, 65 FomulaSimplifications, 822 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 25 FomulaSimplificationsInter, 7848 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 36.6s InterpolantComputationTime, 526 NumberOfCodeBlocks, 526 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 691 ConstructedInterpolants, 0 QuantifiedInterpolants, 20051 SizeOfPredicates, 114 NumberOfNonLiveVariables, 1964 ConjunctsInSsa, 237 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 259/485 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: 279]: Loop Invariant Derived loop invariant: (((((((((((((((((((0 == z_val_t && b0_req_up == 0) && !(b1_ev == 1)) && 0 == b1_req_up) && tmp___0 == 0) && d1_req_up == 0) && d1_val_t == d1_val) && d1_val == 1) && 2 == d0_ev) && 2 == comp_m1_st) && b0_val == 1) && z_val == 0) && d1_ev == comp_m1_st) && !(b1_ev == 0)) && b0_ev == 2) && d0_val_t == d0_val) && b1_val_t == 1) && d0_val_t == 1) && b1_val == 1) && b0_val_t == b0_val) && d0_req_up == 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((((((((((((((2 == d1_ev && b0_req_up == 0) && !(b1_ev == 1)) && 0 == b1_req_up) && b0_val_t == 1) && d1_req_up == 0) && (((((0 == z_val_t && z_req_up == 0) && d1_val == 1) && z_val == 0) && (comp_m1_st == 0 || 2 == comp_m1_st)) || (((((0 == z_val_t && (!(tmp___0 == 0) || z_req_up == 1)) && d1_val == 1) && z_val == 0) && (tmp___0 == 1 || tmp___0 == 0)) && (comp_m1_st == 0 || 2 == comp_m1_st)))) && d1_val_t == d1_val) && 2 == d0_ev) && !(b1_ev == 0)) && b0_ev == 2) && d0_val_t == d0_val) && b1_val == b1_val_t) && b1_val_t == 1) && d0_val_t == 1) && b0_val_t == b0_val) && d0_req_up == 0) || (((((((((((((((((((0 == z_val_t && b0_req_up == 0) && d1_val_t == 1) && !(b1_ev == 1)) && 0 == b1_req_up) && b0_val_t == 1) && d1_req_up == 0) && d1_val_t == d1_val) && 2 == d0_ev) && 2 == comp_m1_st) && z_val == 0) && d1_ev == comp_m1_st) && !(b1_ev == 0)) && b0_ev == 2) && d0_val_t == d0_val) && b1_val == b1_val_t) && b1_val_t == 1) && d0_val_t == 1) && b0_val_t == b0_val) && d0_req_up == 0) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (((0 == z_val_t && z_val == 0) && (tmp___0 == 1 || tmp___0 == 0)) && (comp_m1_st == 0 || 2 == comp_m1_st)) || ((0 == z_val_t && z_req_up == 0) && z_val == 0) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((((((((((((((((((0 == z_val_t && 2 == d1_ev) && b0_req_up == 0) && comp_m1_st == 0) && z_req_up == 0) && !(b1_ev == 1)) && 0 == b1_req_up) && d1_req_up == 0) && d1_val_t == d1_val) && d1_val == 1) && 2 == d0_ev) && b0_val == 1) && z_val == 0) && !(b1_ev == 0)) && b0_ev == 2) && d0_val_t == d0_val) && b1_val_t == 1) && d0_val_t == 1) && b1_val == 1) && b0_val_t == b0_val) && d0_req_up == 0) || ((((((((((((((((((((0 == z_val_t && b0_req_up == 0) && !(b1_ev == 1)) && 0 == b1_req_up) && tmp___0 == 0) && d1_req_up == 0) && d1_val_t == d1_val) && d1_val == 1) && 2 == d0_ev) && 2 == comp_m1_st) && b0_val == 1) && z_val == 0) && d1_ev == comp_m1_st) && !(b1_ev == 0)) && b0_ev == 2) && d0_val_t == d0_val) && b1_val_t == 1) && d0_val_t == 1) && b1_val == 1) && b0_val_t == b0_val) && d0_req_up == 0) - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: ((((((((((((((((((((comp_m1_st == \old(comp_m1_st) || !(d1_ev == 1)) || !(d0_val_t == d0_val)) || (!(0 == \old(comp_m1_st)) && !(2 == \old(comp_m1_st)))) || !(b1_val_t == 1)) || !(d0_ev == 1)) || !(z_req_up == 0)) || !(b0_ev == 1)) || !(d0_val_t == 1)) || !(0 == b1_req_up)) || !(z_val == 0)) || !(d1_val_t == d1_val)) || !(d0_req_up == 0)) || !(b1_val == 1)) || b1_ev == 0) || !(b0_val_t == 1)) || !(d1_req_up == 0)) || !(b0_req_up == 0)) || !(0 == z_val_t)) || !(d1_val == 1)) || !(b0_val == 1)) && ((((((((((((((((((((!(d1_val_t == 1) || !(d0_val_t == d0_val)) || !(b1_val == b1_val_t)) || !(b1_val_t == 1)) || !(b0_ev == 2)) || !(d0_val_t == 1)) || !(b0_val_t == b0_val)) || !(0 == b1_req_up)) || !(z_val == 0)) || !(2 == d0_ev)) || !(d1_val_t == d1_val)) || !(d0_req_up == 0)) || b1_ev == 0) || b1_ev == 1) || !(b0_val_t == 1)) || !(d1_req_up == 0)) || !(b0_req_up == 0)) || d1_ev == comp_m1_st) || !(0 == z_val_t)) || !(d1_ev == \old(comp_m1_st))) || !(2 == \old(comp_m1_st))) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: ((((((((((((((((((((0 == z_val_t && b0_req_up == 0) && !(b1_ev == 1)) && 0 == b1_req_up) && tmp___0 == 0) && d1_req_up == 0) && d1_val_t == d1_val) && d1_val == 1) && 2 == d0_ev) && 2 == comp_m1_st) && b0_val == 1) && z_val == 0) && d1_ev == comp_m1_st) && !(b1_ev == 0)) && b0_ev == 2) && d0_val_t == d0_val) && b1_val_t == 1) && d0_val_t == 1) && b1_val == 1) && b0_val_t == b0_val) && d0_req_up == 0) || ((((((((((((((((((((0 == z_val_t && 2 == d1_ev) && b0_req_up == 0) && comp_m1_st == 0) && !(b1_ev == 1)) && 0 == b1_req_up) && d1_req_up == 0) && d1_val_t == d1_val) && d1_val == 1) && 2 == d0_ev) && b0_val == 1) && z_val == 0) && !(b1_ev == 0)) && b0_ev == 2) && d0_val_t == d0_val) && b1_val_t == 1) && d0_val_t == 1) && tmp___0 == b0_val) && b1_val == 1) && b0_val_t == b0_val) && d0_req_up == 0) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((((((((((((((((!(comp_m1_st == 0) || !(d1_val_t == 1)) || !(\old(z_req_up) == 0)) || !(b1_val_t == 1)) || (((((((((((((d1_ev == \old(d1_ev) && b0_req_up == \old(b0_req_up)) && b1_val == \old(b1_val)) && \old(d0_req_up) == d0_req_up) && \old(d0_ev) == d0_ev) && z_val == 0) && \old(d0_val) == d0_val) && d1_val == 0) && b0_ev == 2) && \old(z_req_up) == z_req_up) && \old(b1_ev) == b1_ev) && 1 == b1_req_up) && \old(b0_val) == b0_val) && d1_req_up == \old(d1_req_up))) || !(\old(d0_req_up) == 1)) || !(\old(z_val) == 0)) || !(d0_val_t == 1)) || !(2 == \old(b0_ev))) || \old(d0_val) == 1) || !(\old(d1_val) == 0)) || !(b0_val_t == 1)) || !(\old(b0_req_up) == 1)) || !(\old(d1_req_up) == 1)) || !(\old(b0_val) == 0)) || !(\old(b1_val) == 0)) || !(\old(b1_req_up) == 1)) || !(0 == z_val_t)) && ((((((((((((((((((((!(d1_val_t == 1) || !(\old(d0_req_up) == 0)) || \old(b1_ev) == 0) || !(b1_val_t == 1)) || !(\old(z_val) == 0)) || !(d0_val_t == 1)) || !(\old(b0_val) == b0_val_t)) || !(2 == comp_m1_st)) || !(2 == \old(d0_ev))) || !(2 == \old(b0_ev))) || !(\old(d0_val) == d0_val_t)) || !(b0_val_t == 1)) || (((((((((((((b0_req_up == \old(b0_req_up) && d1_val_t == d1_val) && 2 == d0_ev) && z_val == 0) && d1_ev == comp_m1_st) && \old(b1_req_up) == b1_req_up) && b0_ev == 2) && d0_val_t == d0_val) && b1_val == b1_val_t) && \old(z_req_up) == z_req_up) && \old(b1_ev) == b1_ev) && \old(b0_val) == b0_val) && d0_req_up == 0) && d1_req_up == \old(d1_req_up))) || !(0 == \old(b0_req_up))) || !(comp_m1_st == \old(d1_ev))) || !(\old(b1_req_up) == 0)) || !(b1_val_t == \old(b1_val))) || !(0 == z_val_t)) || !(\old(d1_req_up) == 0)) || !(d1_val_t == \old(d1_val))) || \old(b1_ev) == 1) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: (((((((((((((((((((0 == z_val_t && b0_req_up == 0) && !(b1_ev == 1)) && 0 == b1_req_up) && tmp___0 == 0) && d1_req_up == 0) && d1_val_t == d1_val) && d1_val == 1) && 2 == d0_ev) && 2 == comp_m1_st) && b0_val == 1) && z_val == 0) && d1_ev == comp_m1_st) && !(b1_ev == 0)) && b0_ev == 2) && d0_val_t == d0_val) && b1_val_t == 1) && d0_val_t == 1) && b1_val == 1) && b0_val_t == b0_val) && d0_req_up == 0 - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: (((((((((((((((((0 == z_val_t && b0_req_up == 0) && comp_m1_st == 0) && z_req_up == 0) && d0_ev == 0) && 0 == b1_req_up) && d1_req_up == 0) && d1_val_t == d1_val) && d1_ev == 0) && d1_val == 1) && b0_val == 1) && z_val == 0) && d0_val_t == d0_val) && b1_val_t == 1) && d0_val_t == 1) && b1_val == 1) && b0_ev == 0) && b0_val_t == b0_val) && d0_req_up == 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-14 13:27:18,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_202b5f48-0100-4a1d-abc2-6cbb3bc708a8/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE