./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur --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 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 --- 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-38b53e6 [2022-11-25 22:31:48,175 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:31:48,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:31:48,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:31:48,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:31:48,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:31:48,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:31:48,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:31:48,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:31:48,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:31:48,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:31:48,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:31:48,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:31:48,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:31:48,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:31:48,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:31:48,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:31:48,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:31:48,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:31:48,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:31:48,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:31:48,261 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:31:48,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:31:48,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:31:48,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:31:48,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:31:48,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:31:48,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:31:48,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:31:48,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:31:48,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:31:48,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:31:48,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:31:48,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:31:48,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:31:48,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:31:48,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:31:48,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:31:48,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:31:48,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:31:48,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:31:48,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 22:31:48,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:31:48,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:31:48,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:31:48,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:31:48,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:31:48,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:31:48,333 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:31:48,333 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:31:48,334 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:31:48,334 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:31:48,335 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:31:48,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:31:48,336 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:31:48,336 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:31:48,336 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:31:48,336 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:31:48,337 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:31:48,337 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:31:48,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:31:48,338 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:31:48,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:31:48,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:31:48,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:31:48,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:31:48,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:31:48,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:31:48,340 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:31:48,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:31:48,340 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:31:48,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:31:48,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:31:48,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:31:48,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:31:48,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:31:48,342 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:31:48,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:31:48,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:31:48,343 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:31:48,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:31:48,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:31:48,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:31:48,344 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_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ff1cedc7411bab7c4dff496b498f1be2a7af9e572a1448d390780005c75fec3 [2022-11-25 22:31:48,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:31:48,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:31:48,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:31:48,702 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:31:48,707 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:31:48,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2022-11-25 22:31:51,812 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:31:52,088 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:31:52,094 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2022-11-25 22:31:52,104 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/data/1f028d493/1337750e59524bcfaf653225a1d4b8a3/FLAG5e767aed7 [2022-11-25 22:31:52,118 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/data/1f028d493/1337750e59524bcfaf653225a1d4b8a3 [2022-11-25 22:31:52,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:31:52,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:31:52,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:31:52,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:31:52,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:31:52,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa363fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52, skipping insertion in model container [2022-11-25 22:31:52,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:31:52,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:31:52,410 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_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c[12106,12119] [2022-11-25 22:31:52,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:31:52,424 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:31:52,495 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_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c[12106,12119] [2022-11-25 22:31:52,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:31:52,525 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:31:52,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52 WrapperNode [2022-11-25 22:31:52,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:31:52,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:31:52,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:31:52,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:31:52,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,591 INFO L138 Inliner]: procedures = 28, calls = 51, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 383 [2022-11-25 22:31:52,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:31:52,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:31:52,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:31:52,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:31:52,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,664 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:31:52,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:31:52,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:31:52,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:31:52,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (1/1) ... [2022-11-25 22:31:52,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:31:52,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:31:52,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:31:52,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:31:52,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:31:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2022-11-25 22:31:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2022-11-25 22:31:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-11-25 22:31:52,781 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-11-25 22:31:52,781 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2022-11-25 22:31:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2022-11-25 22:31:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2022-11-25 22:31:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2022-11-25 22:31:52,782 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2022-11-25 22:31:52,782 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2022-11-25 22:31:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-25 22:31:52,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-25 22:31:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:31:52,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:31:52,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:31:52,896 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:31:52,898 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:31:53,623 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:31:53,803 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:31:53,804 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 22:31:53,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:53 BoogieIcfgContainer [2022-11-25 22:31:53,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:31:53,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:31:53,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:31:53,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:31:53,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:31:52" (1/3) ... [2022-11-25 22:31:53,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233db474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:53, skipping insertion in model container [2022-11-25 22:31:53,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:31:52" (2/3) ... [2022-11-25 22:31:53,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233db474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:31:53, skipping insertion in model container [2022-11-25 22:31:53,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:53" (3/3) ... [2022-11-25 22:31:53,818 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.ufo.UNBOUNDED.pals.c [2022-11-25 22:31:53,837 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:31:53,839 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:31:53,912 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:31:53,919 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;@10fd4e86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:31:53,919 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:31:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 99 states have (on average 1.494949494949495) internal successors, (148), 104 states have internal predecessors, (148), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-11-25 22:31:53,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 22:31:53,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:53,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:53,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:53,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:53,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1208885091, now seen corresponding path program 1 times [2022-11-25 22:31:53,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:53,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230948570] [2022-11-25 22:31:53,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:54,188 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:54,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230948570] [2022-11-25 22:31:54,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230948570] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:54,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:54,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:31:54,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812714025] [2022-11-25 22:31:54,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:54,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:31:54,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:54,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:31:54,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:31:54,243 INFO L87 Difference]: Start difference. First operand has 144 states, 99 states have (on average 1.494949494949495) internal successors, (148), 104 states have internal predecessors, (148), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:31:54,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:54,473 INFO L93 Difference]: Finished difference Result 291 states and 484 transitions. [2022-11-25 22:31:54,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:31:54,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-25 22:31:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:54,489 INFO L225 Difference]: With dead ends: 291 [2022-11-25 22:31:54,489 INFO L226 Difference]: Without dead ends: 149 [2022-11-25 22:31:54,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:31:54,503 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 6 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:54,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 582 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:31:54,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-11-25 22:31:54,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2022-11-25 22:31:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 102 states have (on average 1.4607843137254901) internal successors, (149), 106 states have internal predecessors, (149), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-11-25 22:31:54,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 223 transitions. [2022-11-25 22:31:54,591 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 223 transitions. Word has length 14 [2022-11-25 22:31:54,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:54,592 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 223 transitions. [2022-11-25 22:31:54,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:31:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2022-11-25 22:31:54,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 22:31:54,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:54,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:54,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:31:54,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:54,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:54,596 INFO L85 PathProgramCache]: Analyzing trace with hash -190463156, now seen corresponding path program 1 times [2022-11-25 22:31:54,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:54,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953159071] [2022-11-25 22:31:54,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:54,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:54,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:54,707 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:54,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953159071] [2022-11-25 22:31:54,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953159071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:54,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:54,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:31:54,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818558181] [2022-11-25 22:31:54,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:54,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:31:54,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:54,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:31:54,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:31:54,711 INFO L87 Difference]: Start difference. First operand 147 states and 223 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:31:54,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:54,816 INFO L93 Difference]: Finished difference Result 306 states and 468 transitions. [2022-11-25 22:31:54,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:31:54,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-25 22:31:54,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:54,832 INFO L225 Difference]: With dead ends: 306 [2022-11-25 22:31:54,833 INFO L226 Difference]: Without dead ends: 161 [2022-11-25 22:31:54,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:31:54,835 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 22 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:54,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 593 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:31:54,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-25 22:31:54,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 159. [2022-11-25 22:31:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 112 states have (on average 1.4464285714285714) internal successors, (162), 116 states have internal predecessors, (162), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-25 22:31:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 238 transitions. [2022-11-25 22:31:54,853 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 238 transitions. Word has length 15 [2022-11-25 22:31:54,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:54,853 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 238 transitions. [2022-11-25 22:31:54,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:31:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 238 transitions. [2022-11-25 22:31:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-25 22:31:54,855 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:54,855 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:54,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:31:54,856 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:54,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:54,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1855303411, now seen corresponding path program 1 times [2022-11-25 22:31:54,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:54,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801080] [2022-11-25 22:31:54,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:54,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:54,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:54,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801080] [2022-11-25 22:31:54,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801080] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:54,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:54,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:31:54,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230515886] [2022-11-25 22:31:54,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:54,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:31:54,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:54,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:31:54,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:54,984 INFO L87 Difference]: Start difference. First operand 159 states and 238 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:31:55,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:55,079 INFO L93 Difference]: Finished difference Result 338 states and 514 transitions. [2022-11-25 22:31:55,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:31:55,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-11-25 22:31:55,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:55,085 INFO L225 Difference]: With dead ends: 338 [2022-11-25 22:31:55,086 INFO L226 Difference]: Without dead ends: 188 [2022-11-25 22:31:55,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:31:55,094 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 22 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:55,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 405 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:31:55,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-11-25 22:31:55,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 161. [2022-11-25 22:31:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 114 states have (on average 1.4385964912280702) internal successors, (164), 118 states have internal predecessors, (164), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-25 22:31:55,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 240 transitions. [2022-11-25 22:31:55,115 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 240 transitions. Word has length 22 [2022-11-25 22:31:55,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:55,116 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 240 transitions. [2022-11-25 22:31:55,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 22:31:55,116 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 240 transitions. [2022-11-25 22:31:55,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 22:31:55,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:55,122 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:31:55,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:31:55,123 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:55,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:55,124 INFO L85 PathProgramCache]: Analyzing trace with hash -708632745, now seen corresponding path program 1 times [2022-11-25 22:31:55,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:55,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574917106] [2022-11-25 22:31:55,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:55,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:55,206 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:55,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:55,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574917106] [2022-11-25 22:31:55,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574917106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:55,207 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:55,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:31:55,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809143414] [2022-11-25 22:31:55,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:55,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:31:55,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:55,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:31:55,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:31:55,209 INFO L87 Difference]: Start difference. First operand 161 states and 240 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:31:55,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:55,376 INFO L93 Difference]: Finished difference Result 395 states and 605 transitions. [2022-11-25 22:31:55,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:31:55,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2022-11-25 22:31:55,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:55,380 INFO L225 Difference]: With dead ends: 395 [2022-11-25 22:31:55,380 INFO L226 Difference]: Without dead ends: 248 [2022-11-25 22:31:55,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:31:55,385 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 83 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:55,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 873 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:31:55,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-25 22:31:55,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 165. [2022-11-25 22:31:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 117 states have (on average 1.4273504273504274) internal successors, (167), 121 states have internal predecessors, (167), 38 states have call successors, (38), 8 states have call predecessors, (38), 9 states have return successors, (39), 39 states have call predecessors, (39), 38 states have call successors, (39) [2022-11-25 22:31:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 244 transitions. [2022-11-25 22:31:55,413 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 244 transitions. Word has length 30 [2022-11-25 22:31:55,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:55,414 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 244 transitions. [2022-11-25 22:31:55,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-25 22:31:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 244 transitions. [2022-11-25 22:31:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-25 22:31:55,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:55,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:31:55,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:31:55,416 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:55,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:55,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1936815710, now seen corresponding path program 1 times [2022-11-25 22:31:55,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:55,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201816644] [2022-11-25 22:31:55,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:55,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:55,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:55,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:55,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201816644] [2022-11-25 22:31:55,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201816644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:31:55,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:31:55,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:31:55,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761718615] [2022-11-25 22:31:55,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:31:55,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:31:55,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:31:55,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:31:55,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:31:55,501 INFO L87 Difference]: Start difference. First operand 165 states and 244 transitions. Second operand has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 22:31:55,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:31:55,598 INFO L93 Difference]: Finished difference Result 279 states and 415 transitions. [2022-11-25 22:31:55,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:31:55,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2022-11-25 22:31:55,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:31:55,600 INFO L225 Difference]: With dead ends: 279 [2022-11-25 22:31:55,600 INFO L226 Difference]: Without dead ends: 161 [2022-11-25 22:31:55,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:31:55,602 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 81 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:31:55,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 682 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:31:55,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2022-11-25 22:31:55,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2022-11-25 22:31:55,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 114 states have (on average 1.4035087719298245) internal successors, (160), 118 states have internal predecessors, (160), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-11-25 22:31:55,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 236 transitions. [2022-11-25 22:31:55,625 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 236 transitions. Word has length 31 [2022-11-25 22:31:55,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:31:55,626 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 236 transitions. [2022-11-25 22:31:55,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 7.666666666666667) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 22:31:55,626 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 236 transitions. [2022-11-25 22:31:55,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-25 22:31:55,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:31:55,629 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 22:31:55,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:31:55,630 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:31:55,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:31:55,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1954456886, now seen corresponding path program 1 times [2022-11-25 22:31:55,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:31:55,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978559387] [2022-11-25 22:31:55,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:55,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:31:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:55,722 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:55,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:31:55,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978559387] [2022-11-25 22:31:55,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978559387] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:31:55,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901278457] [2022-11-25 22:31:55,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:31:55,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:31:55,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:31:55,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:31:55,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:31:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:31:55,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:31:55,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:31:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:55,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:31:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:31:55,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901278457] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:31:55,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [101189226] [2022-11-25 22:31:56,010 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2022-11-25 22:31:56,010 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:31:56,014 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:31:56,019 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:31:56,019 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:31:56,751 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 120 for LOIs [2022-11-25 22:31:59,414 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 96 for LOIs [2022-11-25 22:31:59,686 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:32:04,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [101189226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:04,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 22:32:04,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 4, 4] total 21 [2022-11-25 22:32:04,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034863099] [2022-11-25 22:32:04,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:04,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-25 22:32:04,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:04,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-25 22:32:04,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-11-25 22:32:04,471 INFO L87 Difference]: Start difference. First operand 161 states and 236 transitions. Second operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:32:08,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:08,955 INFO L93 Difference]: Finished difference Result 366 states and 539 transitions. [2022-11-25 22:32:08,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-25 22:32:08,956 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2022-11-25 22:32:08,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:08,958 INFO L225 Difference]: With dead ends: 366 [2022-11-25 22:32:08,958 INFO L226 Difference]: Without dead ends: 206 [2022-11-25 22:32:08,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=105, Invalid=597, Unknown=0, NotChecked=0, Total=702 [2022-11-25 22:32:08,959 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 79 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:08,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 1421 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-25 22:32:08,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2022-11-25 22:32:08,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 197. [2022-11-25 22:32:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 143 states have (on average 1.3916083916083917) internal successors, (199), 147 states have internal predecessors, (199), 42 states have call successors, (42), 11 states have call predecessors, (42), 11 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-11-25 22:32:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 283 transitions. [2022-11-25 22:32:08,989 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 283 transitions. Word has length 32 [2022-11-25 22:32:08,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:08,989 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 283 transitions. [2022-11-25 22:32:08,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.375) internal successors, (22), 13 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 22:32:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 283 transitions. [2022-11-25 22:32:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 22:32:08,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:08,993 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-25 22:32:08,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:32:09,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-25 22:32:09,199 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:09,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:09,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1304832621, now seen corresponding path program 1 times [2022-11-25 22:32:09,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:09,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709304069] [2022-11-25 22:32:09,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:09,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-25 22:32:09,311 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:09,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709304069] [2022-11-25 22:32:09,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709304069] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:32:09,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074830463] [2022-11-25 22:32:09,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:09,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:09,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:09,313 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:09,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:32:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:09,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 22:32:09,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 22:32:09,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:32:09,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074830463] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:09,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:32:09,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-25 22:32:09,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480869937] [2022-11-25 22:32:09,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:09,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:32:09,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:09,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:32:09,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:32:09,439 INFO L87 Difference]: Start difference. First operand 197 states and 283 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 22:32:09,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:09,512 INFO L93 Difference]: Finished difference Result 378 states and 552 transitions. [2022-11-25 22:32:09,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:32:09,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2022-11-25 22:32:09,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:09,518 INFO L225 Difference]: With dead ends: 378 [2022-11-25 22:32:09,518 INFO L226 Difference]: Without dead ends: 200 [2022-11-25 22:32:09,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:32:09,520 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 7 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:09,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 381 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:32:09,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-11-25 22:32:09,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 197. [2022-11-25 22:32:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 145 states have (on average 1.3793103448275863) internal successors, (200), 149 states have internal predecessors, (200), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-11-25 22:32:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 280 transitions. [2022-11-25 22:32:09,556 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 280 transitions. Word has length 44 [2022-11-25 22:32:09,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:09,557 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 280 transitions. [2022-11-25 22:32:09,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-25 22:32:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 280 transitions. [2022-11-25 22:32:09,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-25 22:32:09,559 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:32:09,560 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-25 22:32:09,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 22:32:09,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:09,766 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:32:09,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:32:09,766 INFO L85 PathProgramCache]: Analyzing trace with hash 2033665250, now seen corresponding path program 1 times [2022-11-25 22:32:09,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:32:09,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649706646] [2022-11-25 22:32:09,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:09,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:32:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 22:32:09,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:32:09,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649706646] [2022-11-25 22:32:09,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649706646] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:32:09,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083137210] [2022-11-25 22:32:09,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:32:09,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:09,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:32:09,817 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:32:09,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-25 22:32:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:32:09,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:32:09,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:32:09,923 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-25 22:32:09,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:32:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 22:32:09,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083137210] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:32:09,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1842113565] [2022-11-25 22:32:09,968 INFO L159 IcfgInterpreter]: Started Sifa with 32 locations of interest [2022-11-25 22:32:09,968 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:32:09,968 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:32:09,969 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:32:09,969 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:32:10,521 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 120 for LOIs [2022-11-25 22:32:13,117 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 96 for LOIs [2022-11-25 22:32:13,417 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-25 22:32:18,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1842113565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:32:18,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-25 22:32:18,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [4, 4, 4] total 23 [2022-11-25 22:32:18,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503478949] [2022-11-25 22:32:18,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:32:18,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-25 22:32:18,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:32:18,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-25 22:32:18,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2022-11-25 22:32:18,549 INFO L87 Difference]: Start difference. First operand 197 states and 280 transitions. Second operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 14 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 22:32:25,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:32:25,679 INFO L93 Difference]: Finished difference Result 234 states and 325 transitions. [2022-11-25 22:32:25,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-25 22:32:25,686 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.5) internal successors, (27), 14 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 49 [2022-11-25 22:32:25,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:32:25,686 INFO L225 Difference]: With dead ends: 234 [2022-11-25 22:32:25,686 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 22:32:25,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 119 SyntacticMatches, 9 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=178, Invalid=1012, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 22:32:25,688 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 39 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:32:25,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 74 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 22:32:25,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 22:32:25,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 22:32:25,689 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) [2022-11-25 22:32:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 22:32:25,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2022-11-25 22:32:25,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:32:25,690 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 22:32:25,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.5) internal successors, (27), 14 states have internal predecessors, (27), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 22:32:25,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 22:32:25,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 22:32:25,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 22:32:25,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-25 22:32:25,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:32:25,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 22:32:31,015 INFO L902 garLoopResultBuilder]: At program point L119(line 119) the Hoare annotation is: true [2022-11-25 22:32:31,015 INFO L899 garLoopResultBuilder]: For program point L119-1(line 119) no Hoare annotation was computed. [2022-11-25 22:32:31,015 INFO L899 garLoopResultBuilder]: For program point read_history_int8FINAL(lines 104 123) no Hoare annotation was computed. [2022-11-25 22:32:31,015 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 120) no Hoare annotation was computed. [2022-11-25 22:32:31,015 INFO L899 garLoopResultBuilder]: For program point read_history_int8EXIT(lines 104 123) no Hoare annotation was computed. [2022-11-25 22:32:31,016 INFO L902 garLoopResultBuilder]: At program point read_history_int8ENTRY(lines 104 123) the Hoare annotation is: true [2022-11-25 22:32:31,016 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse27 (+ ~nomsg~0 1))) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (not (= |#NULL.offset| 0))) (.cse6 (not (= ~g2v~0 0))) (.cse7 (not (<= ~VALUE1~0 127))) (.cse8 (not (= ~g2v_new~0 0))) (.cse9 (not (= ~g1v_old~0 0))) (.cse10 (not (= ~g3v~0 0))) (.cse11 (not (<= ~votedValue_History_2~0 127))) (.cse12 (not (= ~g2v_old~0 0))) (.cse13 (not (= |#NULL.base| 0))) (.cse14 (not (<= ~votedValue_History_1~0 127))) (.cse15 (not (<= 0 .cse27))) (.cse16 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse17 (not (<= 0 |#StackHeapBarrier|))) (.cse18 (not (<= ~VALUE3~0 127))) (.cse19 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse20 (not (<= .cse27 0))) (.cse21 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse22 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse23 (not (= ~g1v~0 0))) (.cse24 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse25 (not (<= ~VALUE2~0 127))) (.cse26 (not (= |read_history_bool_#in~historyIndex| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 (not (= |read_history_bool_#in~history_id| 1))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (not (= 0 |read_history_bool_#in~history_id|)) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26)))) [2022-11-25 22:32:31,016 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2022-11-25 22:32:31,017 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 160) no Hoare annotation was computed. [2022-11-25 22:32:31,017 INFO L899 garLoopResultBuilder]: For program point read_history_boolFINAL(lines 124 163) no Hoare annotation was computed. [2022-11-25 22:32:31,017 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 160) no Hoare annotation was computed. [2022-11-25 22:32:31,017 INFO L899 garLoopResultBuilder]: For program point read_history_boolEXIT(lines 124 163) no Hoare annotation was computed. [2022-11-25 22:32:31,017 INFO L902 garLoopResultBuilder]: At program point read_history_boolENTRY(lines 124 163) the Hoare annotation is: true [2022-11-25 22:32:31,017 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 160) no Hoare annotation was computed. [2022-11-25 22:32:31,017 INFO L902 garLoopResultBuilder]: At program point assertENTRY(lines 534 545) the Hoare annotation is: true [2022-11-25 22:32:31,018 INFO L899 garLoopResultBuilder]: For program point L541(line 541) no Hoare annotation was computed. [2022-11-25 22:32:31,018 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 543) no Hoare annotation was computed. [2022-11-25 22:32:31,018 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 534 545) no Hoare annotation was computed. [2022-11-25 22:32:31,018 INFO L899 garLoopResultBuilder]: For program point L539-2(lines 534 545) no Hoare annotation was computed. [2022-11-25 22:32:31,018 INFO L899 garLoopResultBuilder]: For program point assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 541) no Hoare annotation was computed. [2022-11-25 22:32:31,018 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 219) no Hoare annotation was computed. [2022-11-25 22:32:31,019 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 301) no Hoare annotation was computed. [2022-11-25 22:32:31,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 22:32:31,019 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 294) no Hoare annotation was computed. [2022-11-25 22:32:31,019 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 476) no Hoare annotation was computed. [2022-11-25 22:32:31,019 INFO L895 garLoopResultBuilder]: At program point L367(lines 339 369) the Hoare annotation is: false [2022-11-25 22:32:31,019 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2022-11-25 22:32:31,020 INFO L899 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2022-11-25 22:32:31,020 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2022-11-25 22:32:31,020 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2022-11-25 22:32:31,020 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 300) no Hoare annotation was computed. [2022-11-25 22:32:31,020 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 476) no Hoare annotation was computed. [2022-11-25 22:32:31,020 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 288) no Hoare annotation was computed. [2022-11-25 22:32:31,020 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2022-11-25 22:32:31,021 INFO L899 garLoopResultBuilder]: For program point L220-1(line 220) no Hoare annotation was computed. [2022-11-25 22:32:31,021 INFO L895 garLoopResultBuilder]: At program point L336(lines 231 338) the Hoare annotation is: false [2022-11-25 22:32:31,021 INFO L899 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2022-11-25 22:32:31,021 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-11-25 22:32:31,021 INFO L899 garLoopResultBuilder]: For program point L469(lines 469 476) no Hoare annotation was computed. [2022-11-25 22:32:31,021 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 322) no Hoare annotation was computed. [2022-11-25 22:32:31,021 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: false [2022-11-25 22:32:31,022 INFO L895 garLoopResultBuilder]: At program point L304-1(lines 304 322) the Hoare annotation is: false [2022-11-25 22:32:31,022 INFO L899 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2022-11-25 22:32:31,022 INFO L895 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: false [2022-11-25 22:32:31,022 INFO L899 garLoopResultBuilder]: For program point L305-1(line 305) no Hoare annotation was computed. [2022-11-25 22:32:31,022 INFO L895 garLoopResultBuilder]: At program point L272-2(lines 272 274) the Hoare annotation is: false [2022-11-25 22:32:31,022 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 22:32:31,023 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2022-11-25 22:32:31,023 INFO L895 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: false [2022-11-25 22:32:31,023 INFO L895 garLoopResultBuilder]: At program point L174-1(lines 164 178) the Hoare annotation is: false [2022-11-25 22:32:31,023 INFO L895 garLoopResultBuilder]: At program point L422-2(lines 416 426) the Hoare annotation is: false [2022-11-25 22:32:31,023 INFO L899 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2022-11-25 22:32:31,023 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: false [2022-11-25 22:32:31,023 INFO L899 garLoopResultBuilder]: For program point L224-1(line 224) no Hoare annotation was computed. [2022-11-25 22:32:31,024 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 476) no Hoare annotation was computed. [2022-11-25 22:32:31,024 INFO L895 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: false [2022-11-25 22:32:31,024 INFO L899 garLoopResultBuilder]: For program point L307-1(line 307) no Hoare annotation was computed. [2022-11-25 22:32:31,024 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 335) no Hoare annotation was computed. [2022-11-25 22:32:31,024 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 324 335) no Hoare annotation was computed. [2022-11-25 22:32:31,024 INFO L895 garLoopResultBuilder]: At program point L258-2(lines 252 262) the Hoare annotation is: false [2022-11-25 22:32:31,024 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 320) no Hoare annotation was computed. [2022-11-25 22:32:31,025 INFO L899 garLoopResultBuilder]: For program point L275(line 275) no Hoare annotation was computed. [2022-11-25 22:32:31,025 INFO L895 garLoopResultBuilder]: At program point L391-2(lines 385 395) the Hoare annotation is: false [2022-11-25 22:32:31,025 INFO L895 garLoopResultBuilder]: At program point L325(line 325) the Hoare annotation is: false [2022-11-25 22:32:31,025 INFO L899 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2022-11-25 22:32:31,025 INFO L895 garLoopResultBuilder]: At program point L507(line 507) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i2~0#1| 0) (= |ULTIMATE.start_init_#res#1| 0)) [2022-11-25 22:32:31,025 INFO L899 garLoopResultBuilder]: For program point L507-1(line 507) no Hoare annotation was computed. [2022-11-25 22:32:31,026 INFO L895 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: false [2022-11-25 22:32:31,026 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2022-11-25 22:32:31,026 INFO L895 garLoopResultBuilder]: At program point L276-2(lines 276 278) the Hoare annotation is: false [2022-11-25 22:32:31,026 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 476) no Hoare annotation was computed. [2022-11-25 22:32:31,026 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 334) no Hoare annotation was computed. [2022-11-25 22:32:31,026 INFO L895 garLoopResultBuilder]: At program point L475(line 475) the Hoare annotation is: false [2022-11-25 22:32:31,026 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 444 476) no Hoare annotation was computed. [2022-11-25 22:32:31,027 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: false [2022-11-25 22:32:31,027 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 407 430) no Hoare annotation was computed. [2022-11-25 22:32:31,027 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2022-11-25 22:32:31,027 INFO L895 garLoopResultBuilder]: At program point L327(line 327) the Hoare annotation is: false [2022-11-25 22:32:31,027 INFO L895 garLoopResultBuilder]: At program point L360-2(lines 354 364) the Hoare annotation is: false [2022-11-25 22:32:31,027 INFO L899 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2022-11-25 22:32:31,028 INFO L895 garLoopResultBuilder]: At program point L228(lines 204 230) the Hoare annotation is: (= |ULTIMATE.start_init_#res#1| 0) [2022-11-25 22:32:31,028 INFO L895 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: false [2022-11-25 22:32:31,028 INFO L899 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2022-11-25 22:32:31,028 INFO L895 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= 48 (select |#length| 2)) (= (select |#length| 3) 12) (= ~g1v_old~0 0) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~g2v_new~0 0))) [2022-11-25 22:32:31,028 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2022-11-25 22:32:31,029 INFO L899 garLoopResultBuilder]: For program point L427(line 427) no Hoare annotation was computed. [2022-11-25 22:32:31,029 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 333) no Hoare annotation was computed. [2022-11-25 22:32:31,029 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 476) no Hoare annotation was computed. [2022-11-25 22:32:31,029 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: false [2022-11-25 22:32:31,029 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 376 399) no Hoare annotation was computed. [2022-11-25 22:32:31,029 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 314) no Hoare annotation was computed. [2022-11-25 22:32:31,029 INFO L899 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2022-11-25 22:32:31,030 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 215) no Hoare annotation was computed. [2022-11-25 22:32:31,030 INFO L895 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: false [2022-11-25 22:32:31,030 INFO L895 garLoopResultBuilder]: At program point L296(lines 283 299) the Hoare annotation is: false [2022-11-25 22:32:31,030 INFO L899 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2022-11-25 22:32:31,030 INFO L895 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: false [2022-11-25 22:32:31,030 INFO L899 garLoopResultBuilder]: For program point L280-2(lines 269 300) no Hoare annotation was computed. [2022-11-25 22:32:31,030 INFO L895 garLoopResultBuilder]: At program point L528(line 528) the Hoare annotation is: false [2022-11-25 22:32:31,031 INFO L895 garLoopResultBuilder]: At program point L528-1(lines 515 530) the Hoare annotation is: false [2022-11-25 22:32:31,031 INFO L895 garLoopResultBuilder]: At program point L429(lines 401 431) the Hoare annotation is: false [2022-11-25 22:32:31,031 INFO L899 garLoopResultBuilder]: For program point L396(line 396) no Hoare annotation was computed. [2022-11-25 22:32:31,031 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 332) no Hoare annotation was computed. [2022-11-25 22:32:31,031 INFO L899 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2022-11-25 22:32:31,031 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: false [2022-11-25 22:32:31,031 INFO L899 garLoopResultBuilder]: For program point L347-1(lines 345 368) no Hoare annotation was computed. [2022-11-25 22:32:31,032 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 302) no Hoare annotation was computed. [2022-11-25 22:32:31,032 INFO L895 garLoopResultBuilder]: At program point L265-1(lines 265 302) the Hoare annotation is: false [2022-11-25 22:32:31,032 INFO L895 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 (+ ~VALUE3~0 128)) (= 48 (select |#length| 2)) (= (select |#length| 3) 12) (= ~g1v_old~0 0) (= ~g1v_new~0 0) (= |ULTIMATE.start_main_~c1~0#1| 0) (= ~g3v_old~0 0) (= 2 (select |#length| 1)) (= ~g2v~0 0) (= (select |#valid| 3) 1) (= ~g3v_new~0 0) (<= 0 (+ ~votedValue_History_1~0 128)) (<= ~votedValue_History_0~0 127) (<= ~votedValue_History_2~0 127) (<= 0 (+ ~votedValue_History_0~0 128)) (= |ULTIMATE.start_init_~tmp~1#1| 1) (= (select |#valid| 1) 1) (= (+ ~nomsg~0 1) 0) (<= ~VALUE2~0 127) (<= 0 (+ ~VALUE2~0 128)) (= (select |#valid| 0) 0) (= ~g3v~0 0) (<= ~VALUE3~0 127) (= ~g2v_old~0 0) (= (select |#valid| 2) 1) (= ~g1v~0 0) (= |#NULL.offset| 0) (= (select .cse0 0) 48) (<= ~votedValue_History_1~0 127) (= (select .cse0 1) 0) (<= 0 (+ ~votedValue_History_2~0 128)) (<= 0 (+ ~VALUE1~0 128)) (<= ~VALUE1~0 127) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0) (= ~g2v_new~0 0))) [2022-11-25 22:32:31,032 INFO L899 garLoopResultBuilder]: For program point L216-1(line 216) no Hoare annotation was computed. [2022-11-25 22:32:31,032 INFO L895 garLoopResultBuilder]: At program point L398(lines 370 400) the Hoare annotation is: false [2022-11-25 22:32:31,033 INFO L899 garLoopResultBuilder]: For program point L365(line 365) no Hoare annotation was computed. [2022-11-25 22:32:31,033 INFO L895 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: false [2022-11-25 22:32:31,033 INFO L899 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2022-11-25 22:32:31,033 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 98) no Hoare annotation was computed. [2022-11-25 22:32:31,033 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 75 98) no Hoare annotation was computed. [2022-11-25 22:32:31,033 INFO L899 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2022-11-25 22:32:31,033 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 98) no Hoare annotation was computed. [2022-11-25 22:32:31,034 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 79) no Hoare annotation was computed. [2022-11-25 22:32:31,034 INFO L895 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1))) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (not (= (select .cse34 0) 48))) (.cse6 (not (= |#NULL.offset| 0))) (.cse7 (not (= ~g2v~0 0))) (.cse8 (not (<= ~VALUE1~0 127))) (.cse9 (not (= 2 (select |#length| 1)))) (.cse10 (not (= ~g2v_new~0 0))) (.cse11 (not (< 0 |#StackHeapBarrier|))) (.cse12 (not (= (select |#valid| 3) 1))) (.cse13 (not (= ~g1v_old~0 0))) (.cse14 (not (= (select |#length| 3) 12))) (.cse15 (not (= (select |#valid| 0) 0))) (.cse16 (not (= (select .cse34 1) 0))) (.cse17 (not (= ~g3v~0 0))) (.cse18 (not (= (select |#valid| 1) 1))) (.cse19 (not (<= ~votedValue_History_2~0 127))) (.cse20 (not (= ~g2v_old~0 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (= (+ ~nomsg~0 1) 0))) (.cse23 (not (<= ~votedValue_History_1~0 127))) (.cse24 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse25 (not (<= ~VALUE3~0 127))) (.cse26 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse27 (not (= (select |#valid| 2) 1))) (.cse28 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse29 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse30 (not (= ~g1v~0 0))) (.cse31 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse32 (not (<= ~VALUE2~0 127))) (.cse33 (not (= 48 (select |#length| 2))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= |add_history_type_#in~history_id| 1)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2022-11-25 22:32:31,034 INFO L899 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2022-11-25 22:32:31,035 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse2 (not (= |add_history_type_#in~history_id| 0)))) (let ((.cse0 (let ((.cse37 (select |#memory_int| 1))) (let ((.cse3 (not (<= ~votedValue_History_0~0 127))) (.cse4 (not (= ~g3v_old~0 0))) (.cse5 (not (= ~g3v_new~0 0))) (.cse6 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse7 (not (= ~g1v_new~0 0))) (.cse8 (not (= (select .cse37 0) 48))) (.cse9 (not (= |#NULL.offset| 0))) (.cse10 (not (= ~g2v~0 0))) (.cse11 (not (<= ~VALUE1~0 127))) (.cse12 (not (= 2 (select |#length| 1)))) (.cse13 (not (= ~g2v_new~0 0))) (.cse14 (not (< 0 |#StackHeapBarrier|))) (.cse15 (not (= (select |#valid| 3) 1))) (.cse16 (not (= ~g1v_old~0 0))) (.cse17 (not (= (select |#length| 3) 12))) (.cse18 (not (= (select |#valid| 0) 0))) (.cse19 (not (= (select .cse37 1) 0))) (.cse20 (not (= ~g3v~0 0))) (.cse21 (not (= (select |#valid| 1) 1))) (.cse22 (not (<= ~votedValue_History_2~0 127))) (.cse23 (not (= ~g2v_old~0 0))) (.cse24 (not (= |#NULL.base| 0))) (.cse25 (not (= (+ ~nomsg~0 1) 0))) (.cse26 (not (<= ~votedValue_History_1~0 127))) (.cse27 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse28 (not (<= ~VALUE3~0 127))) (.cse29 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse30 (not (= (select |#valid| 2) 1))) (.cse31 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse32 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse33 (not (= ~g1v~0 0))) (.cse34 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse35 (not (<= ~VALUE2~0 127))) (.cse36 (not (= 48 (select |#length| 2))))) (and (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 (not (= |add_history_type_#in~history_id| 1)) .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse2 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36)))))) (and (or .cse0 (let ((.cse1 (+ 2 add_history_type_~ini_int~0))) (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (not (= add_history_type_~history_id 0)) (<= 0 .cse1) (<= .cse1 0) (<= add_history_type_~var~0 3) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1)))) (or .cse2 .cse0)))) [2022-11-25 22:32:31,035 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-25 22:32:31,035 INFO L895 garLoopResultBuilder]: At program point L74-2(lines 74 100) the Hoare annotation is: (let ((.cse2 (not (= |add_history_type_#in~history_id| 0)))) (let ((.cse0 (let ((.cse38 (select |#memory_int| 1))) (let ((.cse4 (not (<= ~votedValue_History_0~0 127))) (.cse5 (not (= ~g3v_old~0 0))) (.cse6 (not (= ~g3v_new~0 0))) (.cse7 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse8 (not (= ~g1v_new~0 0))) (.cse9 (not (= (select .cse38 0) 48))) (.cse10 (not (= |#NULL.offset| 0))) (.cse11 (not (= ~g2v~0 0))) (.cse12 (not (<= ~VALUE1~0 127))) (.cse13 (not (= 2 (select |#length| 1)))) (.cse14 (not (= ~g2v_new~0 0))) (.cse15 (not (< 0 |#StackHeapBarrier|))) (.cse16 (not (= (select |#valid| 3) 1))) (.cse17 (not (= ~g1v_old~0 0))) (.cse18 (not (= (select |#length| 3) 12))) (.cse19 (not (= (select |#valid| 0) 0))) (.cse20 (not (= (select .cse38 1) 0))) (.cse21 (not (= ~g3v~0 0))) (.cse22 (not (= (select |#valid| 1) 1))) (.cse23 (not (<= ~votedValue_History_2~0 127))) (.cse24 (not (= ~g2v_old~0 0))) (.cse25 (not (= |#NULL.base| 0))) (.cse26 (not (= (+ ~nomsg~0 1) 0))) (.cse27 (not (<= ~votedValue_History_1~0 127))) (.cse28 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse29 (not (<= ~VALUE3~0 127))) (.cse30 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse31 (not (= (select |#valid| 2) 1))) (.cse32 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse33 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse34 (not (= ~g1v~0 0))) (.cse35 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse36 (not (<= ~VALUE2~0 127))) (.cse37 (not (= 48 (select |#length| 2))))) (and (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 (not (= |add_history_type_#in~history_id| 1)) .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37)))))) (and (or .cse0 (let ((.cse1 (+ 2 add_history_type_~ini_int~0))) (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (<= 0 .cse1) (<= .cse1 0) (<= 0 add_history_type_~history_id) (<= add_history_type_~history_id 1)))) (let ((.cse3 (= add_history_type_~history_id 0))) (or .cse2 (and (= add_history_type_~tmp~0 (mod add_history_type_~ini_bool~0 256)) .cse3) .cse0 (and (= add_history_type_~var~0 0) .cse3)))))) [2022-11-25 22:32:31,036 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 97) no Hoare annotation was computed. [2022-11-25 22:32:31,036 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 98) no Hoare annotation was computed. [2022-11-25 22:32:31,036 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 85) no Hoare annotation was computed. [2022-11-25 22:32:31,036 INFO L899 garLoopResultBuilder]: For program point add_history_typeEXIT(lines 60 103) no Hoare annotation was computed. [2022-11-25 22:32:31,036 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 98) no Hoare annotation was computed. [2022-11-25 22:32:31,037 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse34 (select |#memory_int| 1))) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (not (= (select .cse34 0) 48))) (.cse6 (not (= |#NULL.offset| 0))) (.cse7 (not (= ~g2v~0 0))) (.cse8 (not (<= ~VALUE1~0 127))) (.cse9 (not (= 2 (select |#length| 1)))) (.cse10 (not (= ~g2v_new~0 0))) (.cse11 (not (< 0 |#StackHeapBarrier|))) (.cse12 (not (= (select |#valid| 3) 1))) (.cse13 (not (= ~g1v_old~0 0))) (.cse14 (not (= (select |#length| 3) 12))) (.cse15 (not (= (select |#valid| 0) 0))) (.cse16 (not (= (select .cse34 1) 0))) (.cse17 (not (= ~g3v~0 0))) (.cse18 (not (= (select |#valid| 1) 1))) (.cse19 (not (<= ~votedValue_History_2~0 127))) (.cse20 (not (= ~g2v_old~0 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (= (+ ~nomsg~0 1) 0))) (.cse23 (not (<= ~votedValue_History_1~0 127))) (.cse24 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse25 (not (<= ~VALUE3~0 127))) (.cse26 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse27 (not (= (select |#valid| 2) 1))) (.cse28 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse29 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse30 (not (= ~g1v~0 0))) (.cse31 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse32 (not (<= ~VALUE2~0 127))) (.cse33 (not (= 48 (select |#length| 2))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= |add_history_type_#in~history_id| 1)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) [2022-11-25 22:32:31,037 INFO L899 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2022-11-25 22:32:31,037 INFO L902 garLoopResultBuilder]: At program point add_history_typeENTRY(lines 60 103) the Hoare annotation is: true [2022-11-25 22:32:31,037 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (or (let ((.cse34 (select |#memory_int| 1))) (let ((.cse0 (not (<= ~votedValue_History_0~0 127))) (.cse1 (not (= ~g3v_old~0 0))) (.cse2 (not (= ~g3v_new~0 0))) (.cse3 (not (<= 0 (+ ~votedValue_History_1~0 128)))) (.cse4 (not (= ~g1v_new~0 0))) (.cse5 (not (= (select .cse34 0) 48))) (.cse6 (not (= |#NULL.offset| 0))) (.cse7 (not (= ~g2v~0 0))) (.cse8 (not (<= ~VALUE1~0 127))) (.cse9 (not (= 2 (select |#length| 1)))) (.cse10 (not (= ~g2v_new~0 0))) (.cse11 (not (< 0 |#StackHeapBarrier|))) (.cse12 (not (= (select |#valid| 3) 1))) (.cse13 (not (= ~g1v_old~0 0))) (.cse14 (not (= (select |#length| 3) 12))) (.cse15 (not (= (select |#valid| 0) 0))) (.cse16 (not (= (select .cse34 1) 0))) (.cse17 (not (= ~g3v~0 0))) (.cse18 (not (= (select |#valid| 1) 1))) (.cse19 (not (<= ~votedValue_History_2~0 127))) (.cse20 (not (= ~g2v_old~0 0))) (.cse21 (not (= |#NULL.base| 0))) (.cse22 (not (= (+ ~nomsg~0 1) 0))) (.cse23 (not (<= ~votedValue_History_1~0 127))) (.cse24 (not (<= 0 (+ ~votedValue_History_0~0 128)))) (.cse25 (not (<= ~VALUE3~0 127))) (.cse26 (not (<= 0 (+ ~votedValue_History_2~0 128)))) (.cse27 (not (= (select |#valid| 2) 1))) (.cse28 (not (<= 0 (+ ~VALUE3~0 128)))) (.cse29 (not (<= 0 (+ ~VALUE2~0 128)))) (.cse30 (not (= ~g1v~0 0))) (.cse31 (not (<= 0 (+ ~VALUE1~0 128)))) (.cse32 (not (<= ~VALUE2~0 127))) (.cse33 (not (= 48 (select |#length| 2))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (not (= |add_history_type_#in~history_id| 1)) .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= |add_history_type_#in~history_id| 0)) .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33)))) (let ((.cse35 (+ 2 add_history_type_~ini_int~0))) (and (<= 0 add_history_type_~var~0) (= add_history_type_~ini_bool~0 0) (= add_history_type_~history_id 0) (<= 0 .cse35) (<= .cse35 0) (<= add_history_type_~var~0 3)))) [2022-11-25 22:32:31,038 INFO L899 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2022-11-25 22:32:31,038 INFO L899 garLoopResultBuilder]: For program point add_history_typeFINAL(lines 60 103) no Hoare annotation was computed. [2022-11-25 22:32:31,038 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 36 38) the Hoare annotation is: true [2022-11-25 22:32:31,038 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 36 38) no Hoare annotation was computed. [2022-11-25 22:32:31,038 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 200) no Hoare annotation was computed. [2022-11-25 22:32:31,038 INFO L899 garLoopResultBuilder]: For program point write_history_boolEXIT(lines 179 203) no Hoare annotation was computed. [2022-11-25 22:32:31,038 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 200) no Hoare annotation was computed. [2022-11-25 22:32:31,039 INFO L902 garLoopResultBuilder]: At program point write_history_boolENTRY(lines 179 203) the Hoare annotation is: true [2022-11-25 22:32:31,039 INFO L902 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: true [2022-11-25 22:32:31,039 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 179 203) no Hoare annotation was computed. [2022-11-25 22:32:31,039 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 200) no Hoare annotation was computed. [2022-11-25 22:32:31,042 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:32:31,044 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:32:31,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:32:31 BoogieIcfgContainer [2022-11-25 22:32:31,071 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:32:31,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:32:31,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:32:31,072 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:32:31,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:31:53" (3/4) ... [2022-11-25 22:32:31,076 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 22:32:31,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_int8 [2022-11-25 22:32:31,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure read_history_bool [2022-11-25 22:32:31,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert [2022-11-25 22:32:31,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure add_history_type [2022-11-25 22:32:31,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-25 22:32:31,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure write_history_bool [2022-11-25 22:32:31,106 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-25 22:32:31,111 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-25 22:32:31,111 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 22:32:31,112 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 22:32:31,142 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \result == 0 [2022-11-25 22:32:31,143 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2]))) || (((((0 <= var && ini_bool == 0) && 0 <= 2 + ini_int) && 2 + ini_int <= 0) && 0 <= history_id) && history_id <= 1)) && (((!(\old(history_id) == 0) || (tmp == ini_bool % 256 && history_id == 0)) || (((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])))) || (var == 0 && history_id == 0)) [2022-11-25 22:32:31,209 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 22:32:31,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:32:31,210 INFO L158 Benchmark]: Toolchain (without parser) took 39087.85ms. Allocated memory was 174.1MB in the beginning and 398.5MB in the end (delta: 224.4MB). Free memory was 128.7MB in the beginning and 190.8MB in the end (delta: -62.1MB). Peak memory consumption was 164.0MB. Max. memory is 16.1GB. [2022-11-25 22:32:31,211 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:32:31,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.80ms. Allocated memory is still 174.1MB. Free memory was 128.7MB in the beginning and 112.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 22:32:31,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.39ms. Allocated memory is still 174.1MB. Free memory was 112.4MB in the beginning and 109.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:32:31,212 INFO L158 Benchmark]: Boogie Preprocessor took 75.07ms. Allocated memory is still 174.1MB. Free memory was 109.8MB in the beginning and 107.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:32:31,212 INFO L158 Benchmark]: RCFGBuilder took 1135.77ms. Allocated memory is still 174.1MB. Free memory was 107.4MB in the beginning and 119.2MB in the end (delta: -11.9MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-11-25 22:32:31,213 INFO L158 Benchmark]: TraceAbstraction took 37261.60ms. Allocated memory was 174.1MB in the beginning and 398.5MB in the end (delta: 224.4MB). Free memory was 118.3MB in the beginning and 200.2MB in the end (delta: -81.9MB). Peak memory consumption was 216.1MB. Max. memory is 16.1GB. [2022-11-25 22:32:31,213 INFO L158 Benchmark]: Witness Printer took 137.79ms. Allocated memory is still 398.5MB. Free memory was 200.2MB in the beginning and 190.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 22:32:31,215 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 127.9MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.80ms. Allocated memory is still 174.1MB. Free memory was 128.7MB in the beginning and 112.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.39ms. Allocated memory is still 174.1MB. Free memory was 112.4MB in the beginning and 109.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.07ms. Allocated memory is still 174.1MB. Free memory was 109.8MB in the beginning and 107.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1135.77ms. Allocated memory is still 174.1MB. Free memory was 107.4MB in the beginning and 119.2MB in the end (delta: -11.9MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * TraceAbstraction took 37261.60ms. Allocated memory was 174.1MB in the beginning and 398.5MB in the end (delta: 224.4MB). Free memory was 118.3MB in the beginning and 200.2MB in the end (delta: -81.9MB). Peak memory consumption was 216.1MB. Max. memory is 16.1GB. * Witness Printer took 137.79ms. Allocated memory is still 398.5MB. Free memory was 200.2MB in the beginning and 190.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. 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: 541]: 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 7 procedures, 144 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.2s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 405 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 339 mSDsluCounter, 5011 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3581 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1639 IncrementalHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 1430 mSDtfsCounter, 1639 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 336 GetRequests, 249 SyntacticMatches, 12 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 19.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred in iteration=6, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 126 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 616 PreInvPairs, 632 NumberOfFragments, 3190 HoareAnnotationTreeSize, 616 FomulaSimplifications, 101 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 9303 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 573 SizeOfPredicates, 0 NumberOfNonLiveVariables, 508 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 118/135 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: OVERALL_TIME: 7.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 75, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 134, TOOLS_POST_TIME: 2.2s, TOOLS_POST_CALL_APPLICATIONS: 54, TOOLS_POST_CALL_TIME: 2.0s, TOOLS_POST_RETURN_APPLICATIONS: 46, TOOLS_POST_RETURN_TIME: 1.4s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 234, TOOLS_QUANTIFIERELIM_TIME: 5.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 276, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 53, DOMAIN_JOIN_TIME: 1.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 75, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME: 2.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 46, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.7s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.7s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 740, DAG_COMPRESSION_RETAINED_NODES: 169, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: \result == 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2]))) || (((((0 <= var && ini_bool == 0) && 0 <= 2 + ini_int) && 2 + ini_int <= 0) && 0 <= history_id) && history_id <= 1)) && (((!(\old(history_id) == 0) || (tmp == ini_bool % 256 && history_id == 0)) || (((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(\old(history_id) == 1)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])) && ((((((((((((((((((((((((((((((((((!(votedValue_History_0 <= 127) || !(g3v_\old == 0)) || !(g3v_new == 0)) || !(0 <= votedValue_History_1 + 128)) || !(g1v_new == 0)) || !(\old(history_id) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(g2v == 0)) || !(VALUE1 <= 127)) || !(2 == unknown-#length-unknown[1])) || !(g2v_new == 0)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(g1v_\old == 0)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(g3v == 0)) || !(\valid[1] == 1)) || !(votedValue_History_2 <= 127)) || !(g2v_\old == 0)) || !(#NULL == 0)) || !(nomsg + 1 == 0)) || !(votedValue_History_1 <= 127)) || !(0 <= votedValue_History_0 + 128)) || !(VALUE3 <= 127)) || !(0 <= votedValue_History_2 + 128)) || !(\valid[2] == 1)) || !(0 <= VALUE3 + 128)) || !(0 <= VALUE2 + 128)) || !(g1v == 0)) || !(0 <= VALUE1 + 128)) || !(VALUE2 <= 127)) || !(48 == unknown-#length-unknown[2])))) || (var == 0 && history_id == 0)) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-25 22:32:31,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b60dd37-a870-47f2-9396-1d7f0f41f8ff/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE